## This is a most popular repository list for Scala sorted by number of stars
|STARS|FORKS|ISSUES|LAST COMMIT|NAME/PLACE|DESCRIPTION|
| --- | --- | --- | --- | --- | --- |
| 30224 | 24141 | 206 | 40 minutes ago | [spark](https://github.com/apache/spark)/1 | Apache Spark - A unified analytics engine for large-scale data processing |
| 16851 | 945 | 607 | 5 months ago | [prisma1](https://github.com/prisma/prisma1)/2 | 💾 Database Tools incl. ORM, Migrations and Admin UI (Postgres, MySQL & MongoDB) |
| 13373 | 3046 | 19 | 2 days ago | [scala](https://github.com/scala/scala)/3 | Scala 2 compiler and standard library. For bugs, see scala/bug |
| 12507 | 2022 | 80 | 1 year, 6 months ago | [predictionio](https://github.com/apache/predictionio)/4 | PredictionIO, a machine learning server for developers and ML engineers. |
| 11925 | 3966 | 476 | 15 days ago | [playframework](https://github.com/playframework/playframework)/5 | Play Framework |
| 11625 | 3400 | 928 | 52 minutes ago | [akka](https://github.com/akka/akka)/6 | Build highly concurrent, distributed, and resilient message-driven applications on the JVM |
| 10147 | 2311 | 476 | 10 months ago | [CMAK](https://github.com/yahoo/CMAK)/7 | CMAK is a tool for managing Apache Kafka clusters |
| 9654 | 1360 | 556 | an hour ago | [lila](https://github.com/ornicar/lila)/8 | ♞ lichess.org: the forever free, adless and open source chess server ♞ |
| 8409 | 1181 | 327 | 5 days ago | [gitbucket](https://github.com/gitbucket/gitbucket)/9 | A Git platform powered by Scala with easy installation, high extensibility & GitHub API compatibility |
| 7989 | 1381 | 47 | 12 hours ago | [finagle](https://github.com/twitter/finagle)/10 | A fault tolerant, protocol-agnostic RPC system |
| 7702 | 431 | 235 | 4 months ago | [bfg-repo-cleaner](https://github.com/rtyley/bfg-repo-cleaner)/11 | Removes large or troublesome blobs like git-filter-branch does, but faster. And written in Scala |
| 6624 | 1071 | 4 | 7 years ago | [snowflake](https://github.com/twitter-archive/snowflake)/12 | Snowflake is a network service for generating unique ID numbers at high scale with some simple guarantees. |
| 6254 | 292 | 77 | 4 years ago | [ArnoldC](https://github.com/lhartikk/ArnoldC)/13 | Arnold Schwarzenegger based programming language |
| 5754 | 1185 | 51 | 6 days ago | [snowplow](https://github.com/snowplow/snowplow)/14 | The enterprise-grade behavioral data engine (web, mobile, server-side, webhooks), running cloud-natively on AWS and GCP |
| 5368 | 523 | 135 | 30 days ago | [linkerd](https://github.com/linkerd/linkerd)/15 | Old repo for Linkerd 1.x. See the linkerd2 repo for Linkerd   2.x. |
| 5327 | 1030 | 316 | 17 days ago | [openwhisk](https://github.com/apache/openwhisk)/16 | Apache OpenWhisk is an open source serverless cloud platform |
| 5202 | 1051 | 36 | 23 hours ago | [gatling](https://github.com/gatling/gatling)/17 | Modern Load Testing as Code |
| 5169 | 2828 | 117 | 22 days ago | [fpinscala](https://github.com/fpinscala/fpinscala)/18 | Code, exercises, answers, and hints to go along with the book "Functional Programming in Scala" |
| 4749 | 586 | 9 | 2 years ago | [aerosolve](https://github.com/airbnb/aerosolve)/19 | A machine learning package built for humans. |
| 4655 | 159 | 324 | 2 days ago | [enso](https://github.com/enso-org/enso)/20 | Hybrid visual and textual functional programming. |
| 4628 | 754 | 772 | 2 hours ago | [dotty](https://github.com/lampepfl/dotty)/21 | The Scala 3 compiler, also known as Dotty. |
| 4477 | 709 | 154 | 7 days ago | [scalaz](https://github.com/scalaz/scalaz)/22 | Principled Functional Programming in Scala |
| 4391 | 1088 | 222 | 16 hours ago | [cats](https://github.com/typelevel/cats)/23 | Lightweight, modular, and extensible library for functional programming. |
| 4348 | 845 | 695 | 6 days ago | [sbt](https://github.com/sbt/sbt)/24 | sbt, the interactive build tool |
| 4292 | 558 | 238 | 2 years ago | [chronos](https://github.com/mesos/chronos)/25 | Fault tolerant job scheduler for Mesos which handles dependencies and ISO8601 based schedules |
| 4183 | 368 | 52 | 3 days ago | [scala-js](https://github.com/scala-js/scala-js)/26 | Scala.js, the Scala to JavaScript compiler |
| 4015 | 875 | 23 | a day ago | [marathon](https://github.com/mesosphere/marathon)/27 | Deploy and manage containers (including Docker) on top of Apache Mesos at scale. |
| 4005 | 287 | 252 | 24 days ago | [scala-native](https://github.com/scala-native/scala-native)/28 | Your favorite language gets closer to bare metal. |
| 3769 | 363 | 5 | a year ago | [diffy](https://github.com/twitter-archive/diffy)/29 | Find potential bugs in your services with Diffy |
| 3740 | 913 | 190 | an hour ago | [BigDL](https://github.com/intel-analytics/BigDL)/30 | BigDL: Distributed Deep Learning Framework for Apache Spark |
| 3439 | 804 | 181 | 21 days ago | [delta](https://github.com/delta-io/delta)/31 | An open-source storage layer that brings scalable, ACID transactions to Apache Spark™ and big data workloads. |
| 3305 | 681 | 315 | 2 months ago | [scalding](https://github.com/twitter/scalding)/32 | A Scala API for Cascading |
| 3271 | 263 | 27 | 4 years ago | [flockdb](https://github.com/twitter-archive/flockdb)/33 | A distributed, fault-tolerant graph database |
| 3260 | 1396 | 35 | 2 years ago | [CoolplaySpark](https://github.com/lw-lin/CoolplaySpark)/34 | 酷玩 Spark: Spark 源代码解析、Spark 类库等 |
| 3235 | 697 | 80 | a month ago | [breeze](https://github.com/scalanlp/breeze)/35 | Breeze is a numerical processing library for Scala. |
| 3165 | 512 | 57 | 14 days ago | [shapeless](https://github.com/milessabin/shapeless)/36 | Generic programming for Scala |
| 2944 | 243 | 26 | 21 days ago | [atlas](https://github.com/Netflix/atlas)/37 | In-memory dimensional time series database. |
| 2916 | 866 | 375 | an hour ago | [zio](https://github.com/zio/zio)/38 | ZIO — A type-safe, composable library for async and concurrent programming in Scala |
| 2788 | 327 | 24 | 5 years ago | [kestrel](https://github.com/twitter-archive/kestrel)/39 | simple, distributed message queue system (inactive) |
| 2710 | 990 | 102 | 2 months ago | [spark-jobserver](https://github.com/spark-jobserver/spark-jobserver)/40 | REST job server for Apache Spark |
| 2549 | 606 | 484 | 2 months ago | [lagom](https://github.com/lagom/lagom)/41 | Reactive Microservices for the JVM |
| 2538 | 583 | 84 | 4 years ago | [spray](https://github.com/spray/spray)/42 | A suite of scala libraries for building and consuming RESTful web services on top of Akka: lightweight, asynchronous, non-blocking, actor-based, testable |
| 2507 | 335 | 72 | 3 days ago | [scalatra](https://github.com/scalatra/scalatra)/43 | Tiny Scala high-performance, async web framework, inspired by Sinatra |
| 2463 | 532 | 8 | 6 hours ago | [util](https://github.com/twitter/util)/44 | Wonderful reusable code from Twitter |
| 2457 | 588 | 414 | a day ago | [slick](https://github.com/slick/slick)/45 | Scala Language Integrated Connection Kit. Slick is a modern database query and access library for Scala |
| 2449 | 481 | 326 | a day ago | [wire-android](https://github.com/wireapp/wire-android)/46 | :phone: Wire for Android |
| 2395 | 333 | 152 | 23 days ago | [Ammonite](https://github.com/com-lihaoyi/Ammonite)/47 | Scala Scripting |
| 2365 | 537 | 214 | 19 hours ago | [mmlspark](https://github.com/Azure/mmlspark)/48 | Microsoft Machine Learning for Apache Spark |
| 2361 | 516 | 68 | a day ago | [scala-exercises](https://github.com/scala-exercises/scala-exercises)/49 | The easy way to learn Scala. |
| 2261 | 186 | 77 | 2 years ago | [s3_website](https://github.com/laurilehmijoki/s3_website)/50 | Manage an S3 website: sync, deliver via CloudFront, benefit from advanced S3 website features. |
| 2223 | 462 | 76 | 3 days ago | [spark-nlp](https://github.com/JohnSnowLabs/spark-nlp)/51 | State of the Art Natural Language Processing |
| 2206 | 210 | 11 | 4 years ago | [gizzard](https://github.com/twitter-archive/gizzard)/52 | [Archived] A flexible sharding framework for creating eventually-consistent distributed datastores |
| 2159 | 464 | 158 | a day ago | [circe](https://github.com/circe/circe)/53 | Yet another JSON library for Scala |
| 2153 | 438 | 92 | 2 hours ago | [scio](https://github.com/spotify/scio)/54 | A Scala API for Apache Beam and Google Cloud Dataflow. |
| 2131 | 835 | 87 | 4 years ago | [node2vec](https://github.com/aditya-grover/node2vec)/55 | None |
| 2103 | 259 | 163 | 2 years ago | [summingbird](https://github.com/twitter/summingbird)/56 | Streaming MapReduce with Scalding and Storm |
| 2100 | 168 | 17 | 2 years ago | [scaloid](https://github.com/pocorall/scaloid)/57 | Scaloid makes your Android code easy to understand and maintain. |
| 2087 | 381 | 7 | 9 hours ago | [finatra](https://github.com/twitter/finatra)/58 | Fast, testable, Scala services built on TwitterServer and Finagle |
| 2075 | 409 | 621 | 11 days ago | [TheHive](https://github.com/TheHive-Project/TheHive)/59 | TheHive: a Scalable, Open Source and Free Security Incident Response Platform |
| 2074 | 302 | 92 | 17 days ago | [algebird](https://github.com/twitter/algebird)/60 | Abstract Algebra for Scala |
| 2055 | 653 | 265 | 15 hours ago | [http4s](https://github.com/http4s/http4s)/61 | A minimal, idiomatic Scala interface for HTTP |
| 2021 | 364 | 42 | a month ago | [TransmogrifAI](https://github.com/salesforce/TransmogrifAI)/62 | TransmogrifAI (pronounced trăns-mŏgˈrə-fī) is an AutoML library for building modular, reusable, strongly typed machine learning workflows on Apache Spark with minimal hand-tuning |
| 2014 | 661 | 178 | 2 days ago | [Linkis](https://github.com/WeBankFinTech/Linkis)/63 | Linkis helps easily connect to various back-end computation/storage engines(Spark, Python, TiDB...), exposes various interfaces(REST, JDBC, Java ...), with multi-tenancy, high performance, and resource control. |
| 1998 | 2006 | 27 | 1 year, 9 months ago | [Spark-The-Definitive-Guide](https://github.com/databricks/Spark-The-Definitive-Guide)/64 | Spark: The Definitive Guide's Code Repository |
| 1951 | 256 | 5 | 3 years ago | [textteaser](https://github.com/MojoJolo/textteaser)/65 | TextTeaser is an automatic summarization algorithm. |
| 1899 | 498 | 46 | 2 days ago | [fs2](https://github.com/typelevel/fs2)/66 | Compositional, streaming I/O library for Scala |
| 1887 | 348 | 251 | 6 hours ago | [chisel3](https://github.com/chipsalliance/chisel3)/67 | Chisel 3: A Modern Hardware Design Language |
| 1881 | 283 | 321 | 10 days ago | [quill](https://github.com/getquill/quill)/68 | Compile-time Language Integrated Queries for Scala |
| 1866 | 746 | 288 | 7 days ago | [rocket-chip](https://github.com/chipsalliance/rocket-chip)/69 | Rocket Chip Generator |
| 1834 | 199 | 72 | 8 hours ago | [sangria](https://github.com/sangria-graphql/sangria)/70 | Scala GraphQL implementation |
| 1826 | 310 | 145 | a day ago | [doobie](https://github.com/tpolecat/doobie)/71 | Functional JDBC layer for Scala. |
| 1804 | 132 | 534 | 1 year, 5 months ago | [graphcool-framework](https://github.com/Graphcool/graphcool-framework)/72 | None |
| 1791 | 863 | 23 | 2 days ago | [spark-cassandra-connector](https://github.com/datastax/spark-cassandra-connector)/73 | DataStax Spark Cassandra Connector |
| 1788 | 231 | 72 | 17 days ago | [monix](https://github.com/monix/monix)/74 | Asynchronous, Reactive Programming for Scala and Scala.js. |
| 1787 | 222 | 282 | a month ago | [coursier](https://github.com/coursier/coursier)/75 | Pure Scala Artifact Fetching |
| 1756 | 327 | 77 | 23 days ago | [deequ](https://github.com/awslabs/deequ)/76 | Deequ is a library built on top of Apache Spark for defining "unit tests for data", which measure data quality in large datasets. |
| 1736 | 374 | 55 | 7 days ago | [scalacheck](https://github.com/typelevel/scalacheck)/77 | Property-based testing for Scala |
| 1661 | 152 | 26 | 10 days ago | [elasticmq](https://github.com/softwaremill/elasticmq)/78 | In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded. |
| 1636 | 239 | 171 | 4 days ago | [spire](https://github.com/typelevel/spire)/79 | Powerful new number types and numeric abstractions for Scala. |
| 1611 | 218 | 45 | 23 days ago | [giter8](https://github.com/foundweekends/giter8)/80 | a command line tool to apply templates defined on GitHub  |
| 1604 | 219 | 50 | 6 days ago | [shadowsocksr-v2ray-trojan-android](https://github.com/xxf098/shadowsocksr-v2ray-trojan-android)/81 | A ShadowsocksR, V2Ray and Trojan client for Android |
| 1581 | 224 | 132 | 19 hours ago | [mill](https://github.com/com-lihaoyi/mill)/82 | Your shiny new Java/Scala build tool! |
| 1556 | 639 | 32 | 23 days ago | [elastic4s](https://github.com/sksamuel/elastic4s)/83 | Elasticsearch Scala Client - Reactive, Non Blocking, Type Safe, HTTP Client |
| 1539 | 217 | 83 | 9 months ago | [finch](https://github.com/finagle/finch)/84 | Scala combinator library for building Finagle HTTP services |
| 1537 | 105 | 46 | 5 months ago | [Binding.scala](https://github.com/ThoughtWorksInc/Binding.scala)/85 | Reactive data-binding for Scala |
| 1526 | 341 | 63 | 5 years ago | [goose](https://github.com/GravityLabs/goose)/86 | Html Content / Article Extractor in Scala - open sourced from Gravity Labs  |
| 1499 | 206 | 112 | 33 minutes ago | [metals](https://github.com/scalameta/metals)/87 | Scala language server with rich IDE features 🚀  |
| 1473 | 222 | 19 | 10 days ago | [scalajs-react](https://github.com/japgolly/scalajs-react)/88 | Facebook's React on Scala.JS |
| 1457 | 345 | 0 | 4 years ago | [C1000K-Servers](https://github.com/smallnest/C1000K-Servers)/89 | :zap: High performance websocket servers implemented by Spray-can, Netty, undertow, jetty, Vert.x, Grizzly, node.js and Go. It supports 1,200,000 active websocket connections |
| 1454 | 1027 | 3 | 2 months ago | [aas](https://github.com/sryza/aas)/90 | Code to accompany Advanced Analytics with Spark from O'Reilly Media |
| 1445 | 411 | 112 | a day ago | [sbt-native-packager](https://github.com/sbt/sbt-native-packager)/91 | sbt Native Packager |
| 1439 | 221 | 68 | 2 years ago | [postgresql-async](https://github.com/mauricio/postgresql-async)/92 | Async, Netty based, database drivers for PostgreSQL and MySQL written in Scala |
| 1434 | 387 | 14 | 7 years ago | [spark](https://github.com/mesos/spark)/93 | Lightning-fast cluster computing in Java, Scala and Python. |
| 1410 | 150 | 47 | 2 months ago | [better-files](https://github.com/pathikrit/better-files)/94 | Simple, safe and intuitive Scala I/O |
| 1399 | 103 | 16 | 2 hours ago | [XiangShan](https://github.com/OpenXiangShan/XiangShan)/95 | Open-source high-performance RISC-V processor |
| 1384 | 119 | 54 | a day ago | [grid](https://github.com/guardian/grid)/96 | The Guardian’s image management system |
| 1377 | 213 | 121 | a month ago | [almond](https://github.com/almond-sh/almond)/97 | A Scala kernel for Jupyter |
| 1375 | 195 | 40 | 17 days ago | [Monocle](https://github.com/optics-dev/Monocle)/98 | Optics library for Scala |
| 1369 | 241 | 70 | 5 months ago | [squbs](https://github.com/paypal/squbs)/99 | Akka Streams & Akka HTTP for Large-Scale Production Deployments |
| 1366 | 128 | 61 | 18 days ago | [refined](https://github.com/fthomas/refined)/100 | Simple refinement types for Scala |
| 1365 | 319 | 8 | 2 months ago | [scalacaster](https://github.com/vkostyukov/scalacaster)/101 | Purely Functional Algorithms and Data Structures in Scala |
| 1364 | 153 | 7 | 5 years ago | [iago](https://github.com/twitter-archive/iago)/102 | A load generator, built for engineers |
| 1355 | 336 | 134 | 3 days ago | [json4s](https://github.com/json4s/json4s)/103 | JSON library |
| 1334 | 361 | 185 | 10 hours ago | [OBP-API](https://github.com/OpenBankProject/OBP-API)/104 | An open source RESTful API platform for banks that supports Open Banking, XS2A and PSD2 through access to accounts, transactions, counterparties, payments, entitlements and metadata - plus a host of internal banking and management APIs. |
| 1313 | 300 | 7 | 3 years ago | [ensime-server](https://github.com/ensime/ensime-server)/105 | ENSIME JVM Process |
| 1306 | 215 | 19 | a day ago | [FiloDB](https://github.com/filodb/FiloDB)/106 | Distributed Prometheus time series database |
| 1302 | 374 | 111 | a month ago | [alpakka-kafka](https://github.com/akka/alpakka-kafka)/107 | Alpakka Kafka connector - Alpakka is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Akka. |
| 1300 | 222 | 103 | 5 years ago | [lcamera](https://github.com/PkmX/lcamera)/108 | A camera app using the new camera2 API in Android Lollipop |
| 1291 | 278 | 121 | 8 days ago | [Kamon](https://github.com/kamon-io/Kamon)/109 | Distributed Tracing, Metrics and Context Propagation for application running on the JVM |
| 1277 | 341 | 103 | 17 days ago | [spark-testing-base](https://github.com/holdenk/spark-testing-base)/110 | Base classes to use when writing tests with Spark |
| 1264 | 278 | 91 | 15 days ago | [mleap](https://github.com/combust/mleap)/111 | MLeap: Deploy ML Pipelines to Production |
| 1249 | 41 | 81 | 1 year, 7 months ago | [rsc](https://github.com/twitter/rsc)/112 | Experimental Scala compiler focused on compilation speed |
| 1233 | 362 | 59 | 5 months ago | [ecosystem](https://github.com/tensorflow/ecosystem)/113 | Integration of TensorFlow with other open-source frameworks |
| 1232 | 345 | 134 | 4 days ago | [cats-effect](https://github.com/typelevel/cats-effect)/114 | The pure asynchronous runtime for Scala |
| 1230 | 269 | 141 | a month ago | [framework](https://github.com/lift/framework)/115 | Lift Framework |
| 1225 | 107 | 56 | 2 months ago | [sbt-dependency-graph](https://github.com/sbt/sbt-dependency-graph)/116 | sbt plugin to create a dependency graph for your project |
| 1207 | 200 | 0 | a day ago | [twitter-server](https://github.com/twitter/twitter-server)/117 | Twitter-Server defines a template from which services at Twitter are built |
| 1193 | 536 | 68 | 2 years ago | [securesocial](https://github.com/jaliss/securesocial)/118 | A module that provides OAuth, OAuth2 and OpenID authentication for Play Framework applications |
| 1190 | 636 | 123 | 8 days ago | [carbondata](https://github.com/apache/carbondata)/119 | High performance data store solution |
| 1189 | 93 | 76 | 5 days ago | [intellij-haskell](https://github.com/rikvdkleij/intellij-haskell)/120 | IntelliJ plugin for Haskell |
| 1188 | 532 | 570 | a day ago | [akka-http](https://github.com/akka/akka-http)/121 | The Streaming-first HTTP server/module of Akka |
| 1183 | 410 | 20 | 4 years ago | [killrweather](https://github.com/killrweather/killrweather)/122 | KillrWeather is a reference application (work in progress) showing how to easily integrate streaming and batch data processing with Apache Spark Streaming, Apache Cassandra, Apache Kafka and Akka for fast, streaming computations on time series data in asynchronous event-driven environments.  |
| 1175 | 87 | 35 | 18 hours ago | [skunk](https://github.com/tpolecat/skunk)/123 | A data access library for Scala + Postgres. |
| 1174 | 603 | 202 | 4 days ago | [alpakka](https://github.com/akka/alpakka)/124 | Alpakka is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Akka. |
| 1159 | 225 | 26 | a day ago | [scalikejdbc](https://github.com/scalikejdbc/scalikejdbc)/125 | A tidy SQL-based DB access library for Scala developers. This library naturally wraps JDBC APIs and provides you easy-to-use APIs. |
| 1154 | 145 | 27 | 15 hours ago | [pureconfig](https://github.com/pureconfig/pureconfig)/126 | A boilerplate-free library for loading configuration files |
| 1153 | 426 | 87 | 4 years ago | [spark-timeseries](https://github.com/sryza/spark-timeseries)/127 | A library for time series analysis on Apache Spark |
| 1151 | 104 | 4 | 2 years ago | [colossus](https://github.com/tumblr/colossus)/128 | I/O and Microservice library for Scala |
| 1148 | 352 | 87 | a month ago | [OpenComputers](https://github.com/MightyPirates/OpenComputers)/129 | Home of the OpenComputers mod for Minecraft. |
| 1147 | 346 | 244 | 2 days ago | [geotrellis](https://github.com/locationtech/geotrellis)/130 | GeoTrellis is a geographic data processing engine for high performance applications. |
| 1126 | 201 | 24 | 16 hours ago | [sttp](https://github.com/softwaremill/sttp)/131 | The Scala HTTP client you always wanted! |
| 1110 | 60 | 37 | 7 days ago | [macwire](https://github.com/softwaremill/macwire)/132 | Lightweight and Nonintrusive Scala Dependency Injection Library |
| 1101 | 247 | 12 | a day ago | [scalafmt](https://github.com/scalameta/scalafmt)/133 | Code formatter for Scala |
| 1099 | 394 | 38 | 2 days ago | [Waves](https://github.com/wavesplatform/Waves)/134 | ⛓️ Reference Waves Blockchain Node (client) implementation on Scala |
| 1095 | 226 | 14 | 2 days ago | [ScalaPB](https://github.com/scalapb/ScalaPB)/135 | Protocol buffer compiler for Scala. |
| 1093 | 96 | 0 | 3 years ago | [Metascala](https://github.com/lihaoyi/Metascala)/136 | A JVM written in Scala |
| 1090 | 369 | 11 | 7 days ago | [geomesa](https://github.com/locationtech/geomesa)/137 | GeoMesa is a suite of tools for working with big geo-spatial data in a distributed fashion. |
| 1087 | 89 | 13 | 6 days ago | [scala-async](https://github.com/scala/scala-async)/138 | An asynchronous programming facility for Scala |
| 1086 | 158 | 95 | 6 years ago | [sbt-idea](https://github.com/mpeltonen/sbt-idea)/139 | A simple-build-tool (sbt) plugin/processor for creating IntelliJ IDEA project files |
| 1072 | 446 | 5 | 2 years ago | [utils4s](https://github.com/jacksu/utils4s)/140 | scala、spark使用过程中，各种测试用例以及相关资料整理 |
| 1050 | 194 | 20 | 4 months ago | [phantom](https://github.com/outworkers/phantom)/141 | Schema safe, type-safe, reactive Scala driver for Cassandra/Datastax Enterprise |
| 1039 | 123 | 20 | 12 days ago | [enumeratum](https://github.com/lloydmeta/enumeratum)/142 | A type-safe, reflection-free, powerful enumeration implementation for Scala with exhaustive pattern match warnings and helpful integrations. |
| 1039 | 455 | 206 | 4 years ago | [spark-csv](https://github.com/databricks/spark-csv)/143 | CSV Data Source for Apache Spark 1.x |
| 1036 | 354 | 0 | 18 hours ago | [intellij-scala](https://github.com/JetBrains/intellij-scala)/144 | Scala plugin for IntelliJ IDEA |
| 1016 | 77 | 16 | 2 years ago | [objc2swift](https://github.com/yahoojapan/objc2swift)/145 | Open Source Obj-C to Swift Converter. |
| 1003 | 198 | 114 | 16 hours ago | [snappydata](https://github.com/TIBCOSoftware/snappydata)/146 | Project SnappyData - memory optimized analytics database, based on Apache Spark™ and Apache Geode™. Stream, Transact, Analyze, Predict in one cluster  |
| 999 | 137 | 34 | 2 years ago | [cassovary](https://github.com/twitter/cassovary)/147 | Cassovary is a simple big graph processing library for the JVM |
| 993 | 331 | 20 | 6 years ago | [shark](https://github.com/amplab/shark)/148 | Development in Shark has been ended. |
| 971 | 124 | 36 | 11 months ago | [scalaj-http](https://github.com/scalaj/scalaj-http)/149 | Simple scala wrapper for HttpURLConnection.  OAuth included. |
| 967 | 103 | 90 | 7 days ago | [wartremover](https://github.com/wartremover/wartremover)/150 | Flexible Scala code linting tool |
| 966 | 334 | 10 | 2 months ago | [SZT-bigdata](https://github.com/geekyouth/SZT-bigdata)/151 | 深圳地铁大数据客流分析系统🚇🚄🌟 |
| 963 | 81 | 26 | 10 months ago | [scala.rx](https://github.com/lihaoyi/scala.rx)/152 | An experimental library for Functional Reactive Programming in Scala |
| 963 | 310 | 487 | 11 days ago | [scalatest](https://github.com/scalatest/scalatest)/153 | A testing tool for Scala and Java developers |
| 961 | 402 | 32 | 7 months ago | [AppCrawler](https://github.com/seveniruby/AppCrawler)/154 | 基于appium的app自动遍历工具 |
| 956 | 148 | 25 | 3 months ago | [fastparse](https://github.com/com-lihaoyi/fastparse)/155 | Writing Fast Parsers Fast in Scala |
| 954 | 315 | 20 | 4 years ago | [livy](https://github.com/cloudera/livy)/156 | Livy is an open source REST interface for interacting with Apache Spark from anywhere |
| 935 | 235 | 70 | 4 months ago | [freedom](https://github.com/sifive/freedom)/157 | Source files for SiFive's Freedom platforms |
| 933 | 205 | 55 | 50 minutes ago | [eclair](https://github.com/ACINQ/eclair)/158 | A scala implementation of the Lightning Network. |
| 927 | 193 | 96 | 7 months ago | [spray-json](https://github.com/spray/spray-json)/159 | A lightweight, clean and simple JSON implementation in Scala |
| 923 | 168 | 22 | 2 days ago | [elasticsearch-readonlyrest-plugin](https://github.com/sscarduzio/elasticsearch-readonlyrest-plugin)/160 | Free Elasticsearch security plugin and Kibana security plugin: super-easy Kibana multi-tenancy, Encryption, Authentication, Authorization, Auditing |
| 920 | 235 | 46 | 2 months ago | [riscv-boom](https://github.com/riscv-boom/riscv-boom)/161 | SonicBOOM: The Berkeley Out-of-Order Machine |
| 915 | 62 | 29 | 30 days ago | [simulacrum](https://github.com/typelevel/simulacrum)/162 | First class syntax support for type classes in Scala |
| 910 | 171 | 67 | 1 year, 29 days ago | [BIDMach](https://github.com/BIDData/BIDMach)/163 | CPU and GPU-accelerated Machine Learning Library |
| 906 | 196 | 142 | 16 hours ago | [scalameta](https://github.com/scalameta/scalameta)/164 | Library to read, analyze, transform and generate Scala programs |
| 897 | 362 | 19 | a day ago | [sparkling-water](https://github.com/h2oai/sparkling-water)/165 | Sparkling Water provides H2O functionality inside Spark cluster |
| 891 | 295 | 84 | 24 days ago | [adam](https://github.com/bigdatagenomics/adam)/166 | ADAM is a genomics analysis platform with specialized file formats built using Apache Avro, Apache Spark, and Apache Parquet. Apache 2 licensed. |
| 890 | 178 | 44 | 1 year, 10 months ago | [flint](https://github.com/twosigma/flint)/167 | A Time Series Library for Apache Spark |
| 887 | 118 | 2 | 1 year, 6 months ago | [RxScala](https://github.com/ReactiveX/RxScala)/168 | RxScala – Reactive Extensions for Scala – a library for composing asynchronous and event-based programs using observable sequences |
| 870 | 93 | 26 | 2 months ago | [tensorflow_scala](https://github.com/eaplatanios/tensorflow_scala)/169 | TensorFlow API for the Scala Programming Language |
| 868 | 202 | 148 | 1 year, 10 months ago | [Antox](https://github.com/Antox/Antox)/170 | Android client for Project Tox - Secure Peer to Peer Messaging |
| 849 | 370 | 87 | 18 hours ago | [scala-steward](https://github.com/scala-steward-org/scala-steward)/171 | :robot: A bot that helps you keep your Scala projects up-to-date |
| 841 | 83 | 122 | 4 years ago | [pickling](https://github.com/scala/pickling)/172 | Fast, customizable, boilerplate-free pickling support for Scala |
| 839 | 184 | 24 | 20 hours ago | [scala-pet-store](https://github.com/pauljamescleary/scala-pet-store)/173 | An implementation of the java pet store using FP techniques in scala |
| 835 | 87 | 6 | 7 days ago | [nscala-time](https://github.com/nscala-time/nscala-time)/174 | A new Scala wrapper for Joda Time based on scala-time |
| 834 | 98 | 22 | 7 years ago | [eventsourced](https://github.com/eligosource/eventsourced)/175 | A library for building reliable, scalable and distributed event-sourced applications in Scala |
| 829 | 130 | 1 | a month ago | [NutShell](https://github.com/OSCPU/NutShell)/176 | RISC-V SoC designed by students in UCAS |
| 827 | 64 | 6 | 4 days ago | [kind-projector](https://github.com/typelevel/kind-projector)/177 | Compiler plugin for making type lambdas (type projections) easier to write |
| 825 | 139 | 14 | Unknown | [play-silhouette](https://github.com/mohiva/play-silhouette)/178 | Silhouette is an authentication library for Play Framework applications that supports several authentication methods, including OAuth1, OAuth2, OpenID, CAS, 2FA, TOTP, Credentials, Basic Authentication or custom authentication schemes. |
| 824 | 227 | 11 | Unknown | [ReactiveMongo](https://github.com/ReactiveMongo/ReactiveMongo)/179 | :leaves: Non-blocking, Reactive MongoDB Driver for Scala |
| 823 | 121 | 22 | Unknown | [scala-logging](https://github.com/lightbend/scala-logging)/180 | Convenient and performant logging library for Scala wrapping SLF4J. |
| 807 | 121 | 396 | 3 days ago | [quasar](https://github.com/precog/quasar)/181 | A compiler for a SQL dialect and mathematical meta-system with support for heterogeneous structured data |
| 799 | 144 | 82 | 1 year, 8 months ago | [rediscala](https://github.com/etaty/rediscala)/182 | Non-blocking, Reactive Redis driver for Scala (with Sentinel support) |
| 798 | 318 | 104 | 3 months ago | [spark-redis](https://github.com/RedisLabs/spark-redis)/183 | A connector for Spark that allows reading and writing to/from Redis cluster |
| 793 | 290 | 23 | a month ago | [play-slick](https://github.com/playframework/play-slick)/184 | Slick Plugin for Play |
| 792 | 166 | 99 | a month ago | [slick-pg](https://github.com/tminglei/slick-pg)/185 | Slick extensions for PostgreSQL |
| 788 | 249 | 6 | 1 year, 3 months ago | [SparkCTR](https://github.com/wzhe06/SparkCTR)/186 | CTR prediction model based on spark(LR, GBDT, DNN) |
| 785 | 297 | 55 | 8 days ago | [stream-reactor](https://github.com/lensesio/stream-reactor)/187 | Streaming reference architecture for ETL with Kafka and Kafka-Connect.                                                                         You can find more on http://lenses.io on how we provide a unified solution to manage your connectors,  most advanced SQL engine for Kafka and Kafka Streams, cluster monitoring and alerting, and more. |
| 781 | 97 | 0 | 4 years ago | [ostrich](https://github.com/twitter/ostrich)/188 | A stats collector & reporter for Scala servers (deprecated) |
| 781 | 189 | 8 | 3 years ago | [progressed.io](https://github.com/fehmicansaglam/progressed.io)/189 | progressbar microservice |
| 780 | 199 | 139 | a month ago | [graphframes](https://github.com/graphframes/graphframes)/190 | None |
| 779 | 52 | 33 | 3 months ago | [chimney](https://github.com/scalalandio/chimney)/191 | Scala library for boilerplate-free, type-safe data transformations |
| 775 | 93 | 19 | 2 years ago | [matryoshka](https://github.com/precog/matryoshka)/192 | Generalized recursion schemes and traversals for Scala. |
| 774 | 107 | 42 | 17 days ago | [squants](https://github.com/typelevel/squants)/193 | The Scala API for Quantities, Units of Measure and Dimensional Analysis |
| 770 | 52 | 20 | 2 years ago | [sbt-revolver](https://github.com/spray/sbt-revolver)/194 | An SBT plugin for dangerously fast development turnaround in Scala |
| 769 | 165 | 66 | 20 minutes ago | [SpinalHDL](https://github.com/SpinalHDL/SpinalHDL)/195 | Scala based HDL |
| 765 | 157 | 18 | 2 years ago | [twitter-korean-text](https://github.com/twitter/twitter-korean-text)/196 | Korean tokenizer |
| 764 | 164 | 54 | 1 year, 7 months ago | [tensorframes](https://github.com/databricks/tensorframes)/197 | [DEPRECATED] Tensorflow wrapper for DataFrames on Apache Spark |
| 756 | 183 | 105 | 22 hours ago | [tapir](https://github.com/softwaremill/tapir)/198 | Declarative, type-safe web endpoints library |
| 754 | 68 | 353 | 21 hours ago | [flix](https://github.com/flix/flix)/199 | The Flix Programming Language |
| 748 | 90 | 31 | 1 year, 8 months ago | [DeepLearning.scala](https://github.com/ThoughtWorksInc/DeepLearning.scala)/200 | A simple library for creating complex neural networks |
| 747 | 161 | 95 | 40 minutes ago | [bloop](https://github.com/scalacenter/bloop)/201 | Bloop is a build server and CLI tool to compile, test and run Scala fast from any editor or build tool. |
| 746 | 162 | 96 | 1 year, 6 months ago | [gearpump](https://github.com/gearpump/gearpump)/202 | Lightweight real-time big data streaming engine over Akka |
| 735 | 433 | 5 | 5 months ago | [akka-in-action](https://github.com/RayRoestenburg/akka-in-action)/203 | Accompanying source code for akka in action  |
| 735 | 198 | 48 | 3 years ago | [dbpedia-spotlight](https://github.com/dbpedia-spotlight/dbpedia-spotlight)/204 | DBpedia Spotlight is a tool for automatically annotating mentions of DBpedia resources in text. |
| 735 | 125 | 49 | 17 days ago | [frameless](https://github.com/typelevel/frameless)/205 | Expressive types for Spark. |
| 734 | 231 | 32 | a day ago | [scrooge](https://github.com/twitter/scrooge)/206 | A Thrift parser/generator |
| 730 | 336 | 2 | 4 years ago | [kafka-storm-starter](https://github.com/miguno/kafka-storm-starter)/207 | Code examples that show to integrate Apache Kafka 0.8+ with Apache Storm 0.9+ and Apache Spark Streaming 1.1+, while using Apache Avro as the data serialization format. |
| 729 | 49 | 13 | 7 years ago | [blueeyes](https://github.com/jdegoes/blueeyes)/208 | A lightweight Web 3.0 framework for Scala, featuring a purely asynchronous architecture, extremely high-performance, massive scalability, high usability, and a functional, composable design. |
| 728 | 144 | 121 | 1 year, 11 months ago | [figaro](https://github.com/p2t2/figaro)/209 | Figaro Programming Language and Core Libraries |
| 728 | 63 | 6 | 2 years ago | [berkeley-doc-summarizer](https://github.com/gregdurrett/berkeley-doc-summarizer)/210 | The Berkeley Document Summarizer is a learning-based, single-document summarization system that extracts source document content, exploits syntactic information to compress it, and uses coreference constraints to ensure clarity. |
| 725 | 172 | 79 | 1 year, 10 months ago | [sbteclipse](https://github.com/sbt/sbteclipse)/211 | Plugin for sbt to create Eclipse project definitions |
| 725 | 98 | 102 | 4 months ago | [cloudstate](https://github.com/cloudstateio/cloudstate)/212 | Distributed State Management for Serverless |
| 724 | 134 | 109 | 4 months ago | [Cortex](https://github.com/TheHive-Project/Cortex)/213 | Cortex: a Powerful Observable Analysis and Active Response Engine |
| 722 | 74 | 20 | 4 months ago | [skinny-framework](https://github.com/skinny-framework/skinny-framework)/214 | :monorail: "Scala on Rails" - A full-stack web app framework for rapid development in Scala |
| 722 | 92 | 17 | 8 days ago | [scodec](https://github.com/scodec/scodec)/215 | Scala combinator library for working with binary data |
| 720 | 272 | 19 | 4 months ago | [Scala](https://github.com/TheAlgorithms/Scala)/216 | All Algorithms implemented in Scala |
| 718 | 216 | 59 | 5 days ago | [AWScala](https://github.com/seratch/AWScala)/217 | Using AWS SDK on the Scala REPL |
| 712 | 225 | 0 | 17 days ago | [akka-http-microservice](https://github.com/theiterators/akka-http-microservice)/218 | Example of http (micro)service in Scala & akka-http |
| 712 | 79 | 26 | a month ago | [sbt-jmh](https://github.com/ktoso/sbt-jmh)/219 | "Trust no one, bench everything." - sbt plugin for JMH (Java Microbenchmark Harness) |
| 710 | 112 | 40 | 3 days ago | [unfiltered](https://github.com/unfiltered/unfiltered)/220 | A toolkit for servicing HTTP requests in Scala |
| 710 | 103 | 54 | 1 year, 9 months ago | [Vegas](https://github.com/vegas-viz/Vegas)/221 | The missing MatPlotLib for Scala + Spark |
| 707 | 97 | 37 | a month ago | [eventuate](https://github.com/RBMHTechnology/eventuate)/222 | Global-scale event sourcing and event collaboration with causal consistency (This project is in maintenance mode. Only critical bugs will be fixed, but there is no more feature development.). |
| 707 | 85 | 25 | 1 year, 1 day ago | [diffy](https://github.com/opendiffy/diffy)/223 | None |
| 705 | 242 | 766 | 10 hours ago | [cromwell](https://github.com/broadinstitute/cromwell)/224 | Scientific workflow engine designed for simplicity & scalability. Trivially transition between one off use cases to massive scale production environments |
| 698 | 391 | 14 | 2 months ago | [akka-samples](https://github.com/akka/akka-samples)/225 | Akka Sample Projects |
| 698 | 201 | 8 | 6 days ago | [specs2](https://github.com/etorreborre/specs2)/226 | Software Specifications for Scala |
| 696 | 220 | 34 | 5 years ago | [HouseMD](https://github.com/CSUG/HouseMD)/227 | HouseMD is an awesome diagnosing tool better than BTrace |
| 695 | 106 | 21 | 4 months ago | [sbt-docker](https://github.com/marcuslonnberg/sbt-docker)/228 | Create Docker images directly from sbt |
| 694 | 100 | 58 | 2 months ago | [scalacache](https://github.com/cb372/scalacache)/229 | Simple caching in Scala |
| 685 | 261 | 168 | a month ago | [extraction-framework](https://github.com/dbpedia/extraction-framework)/230 | The software used to extract structured data from Wikipedia |
| 682 | 78 | 4 | 3 days ago | [MiNLP](https://github.com/XiaoMi/MiNLP)/231 | XiaoMi Natural Language Processing Toolkits  |
| 679 | 192 | 8 | 3 years ago | [Fregata](https://github.com/TalkingData/Fregata)/232 | A light weight, super fast, large scale machine learning library on spark . |
| 677 | 39 | 18 | 30 days ago | [quicklens](https://github.com/softwaremill/quicklens)/233 | Modify deeply nested case class fields |
| 676 | 216 | 79 | 2 years ago | [scalastyle](https://github.com/scalastyle/scalastyle)/234 | scalastyle |
| 676 | 110 | 29 | 3 months ago | [scalatags](https://github.com/com-lihaoyi/scalatags)/235 | ScalaTags is a small XML/HTML construction library for Scala.  |
| 671 | 219 | 12 | 22 days ago | [incubator-toree](https://github.com/apache/incubator-toree)/236 | Mirror of Apache Toree (Incubating) |
| 670 | 49 | 10 | 4 days ago | [sbt-updates](https://github.com/rtimush/sbt-updates)/237 | sbt plugin that can check Maven and Ivy repositories for dependency updates |
| 665 | 81 | 34 | 3 days ago | [parboiled2](https://github.com/sirthias/parboiled2)/238 | A macro-based PEG parser generator for Scala 2.10+ |
| 664 | 295 | 2 | 6 years ago | [orderbook-dynamics](https://github.com/ezhulenev/orderbook-dynamics)/239 | Modeling high-frequency limit order book dynamics with support vector machines |
| 661 | 1 | 0 | 1 year, 5 months ago | [PkpmSpark](https://github.com/MethodJiao/PkpmSpark)/240 | awesome 三维数据挖掘 数据分析 & 推荐 |
| 652 | 247 | 21 | 3 years ago | [scalajs-spa-tutorial](https://github.com/ochrons/scalajs-spa-tutorial)/241 | Tutorial for creating a simple Single Page Application in ScalaJS |
| 649 | 97 | 70 | 2 years ago | [codebrag](https://github.com/softwaremill/codebrag)/242 | Your daily code review tool |
| 646 | 105 | 10 | 7 days ago | [scala-scraper](https://github.com/ruippeixotog/scala-scraper)/243 | A Scala library for scraping content from HTML pages |
| 644 | 124 | 9 | 7 years ago | [blinkdb](https://github.com/sameeragarwal/blinkdb)/244 | BlinkDB: Sub-Second Approximate Queries on Very Large Data. |
| 642 | 140 | 18 | 11 hours ago | [caliban](https://github.com/ghostdogpr/caliban)/245 | Functional GraphQL library for Scala |
| 641 | 181 | 112 | 5 days ago | [rchain](https://github.com/rchain/rchain)/246 | None |
| 637 | 29 | 11 | a month ago | [better-monadic-for](https://github.com/oleg-py/better-monadic-for)/247 | Desugaring scala `for` without implicit `withFilter`s |
| 636 | 357 | 33 | 4 years ago | [reference-apps](https://github.com/databricks/reference-apps)/248 | Spark reference applications |
| 635 | 38 | 8 | 4 years ago | [sri](https://github.com/chandu0101/sri)/249 | Build truly native cross platform (web,ios,android) apps using scalajs and react, react-native ,This project moved to new organization : https://github.com/scalajs-react-interface/sri#sri, new chat room :  https://gitter.im/scalajs-react-interface/sri |
| 632 | 60 | 106 | 1 year, 9 months ago | [vamp](https://github.com/magneticio/vamp)/250 | Vamp - canary releasing and autoscaling for microservice systems |
| 631 | 422 | 72 | 10 months ago | [incubator-livy](https://github.com/apache/incubator-livy)/251 | Mirror of Apache livy (Incubating) |
| 630 | 80 | 7 | 20 hours ago | [diode](https://github.com/suzaku-io/diode)/252 | Scala library for managing immutable application model |
| 621 | 51 | 38 | 1 year, 10 months ago | [freestyle](https://github.com/frees-io/freestyle)/253 | A cohesive & pragmatic framework of FP centric Scala libraries |
| 621 | 148 | 23 | 3 years ago | [play2-auth](https://github.com/t2v/play2-auth)/254 | Play2.x Authentication and Authorization module |
| 619 | 144 | 64 | 10 days ago | [scalafix](https://github.com/scalacenter/scalafix)/255 | Refactoring and linting tool for Scala |
| 618 | 104 | 33 | 8 hours ago | [bijection](https://github.com/twitter/bijection)/256 | Reversible conversions between types |
| 607 | 136 | 30 | 10 days ago | [scala-csv](https://github.com/tototoshi/scala-csv)/257 | CSV Reader/Writer for Scala |
| 606 | 178 | 29 | 5 years ago | [SparkNet](https://github.com/amplab/SparkNet)/258 | Distributed Neural Networks for Spark |
| 605 | 175 | 34 | 2 years ago | [universal-recommender](https://github.com/actionml/universal-recommender)/259 | Highly configurable recommender based on PredictionIO and Mahout's Correlated Cross-Occurrence algorithm |
| 602 | 262 | 3 | 2 months ago | [mongo-spark](https://github.com/mongodb/mongo-spark)/260 | The MongoDB Spark Connector |
| 601 | 198 | 7 | 2 days ago | [avro4s](https://github.com/sksamuel/avro4s)/261 | Avro schema generation and serialization / deserialization for Scala |
| 600 | 135 | 18 | 9 days ago | [bootzooka](https://github.com/softwaremill/bootzooka)/262 | Simple project to quickly start developing a Scala-based microservice or web application, without the need to write login, user registration etc. |
| 597 | 54 | 3 | a month ago | [scallop](https://github.com/scallop/scallop)/263 | a simple Scala CLI parsing library |
| 593 | 63 | 64 | 2 months ago | [tut](https://github.com/tpolecat/tut)/264 | doc/tutorial generator for scala |
| 593 | 172 | 30 | 11 months ago | [scalatron](https://github.com/scalatron/scalatron)/265 | Scalatron, a multi-player programming game in which coders pit bot programs (written in Scala) against each other |
| 592 | 135 | 11 | 20 days ago | [spark-daria](https://github.com/MrPowers/spark-daria)/266 | Essential Spark extensions and helper methods ✨😲 |
| 584 | 131 | 439 | 9 hours ago | [daml](https://github.com/digital-asset/daml)/267 | The Daml smart contract language |
| 584 | 161 | 83 | 7 days ago | [sbt-release](https://github.com/sbt/sbt-release)/268 | A release plugin for sbt |
| 575 | 97 | 32 | a day ago | [scalate](https://github.com/scalate/scalate)/269 | Scalate is a Scala based template engine which supports HAML, Mustache and JSP, Erb and Velocity style syntaxes. |
| 575 | 76 | 29 | 24 days ago | [scalafx](https://github.com/scalafx/scalafx)/270 | ScalaFX simplifies creation of JavaFX-based user interfaces in Scala |
| 572 | 48 | 20 | a month ago | [requests-scala](https://github.com/com-lihaoyi/requests-scala)/271 | A Scala port of the popular Python Requests HTTP client: flexible, intuitive, and straightforward to use. |
| 566 | 32 | 9 | 21 days ago | [reftree](https://github.com/stanch/reftree)/272 | Automatically generated diagrams and animations for Scala data structures |
| 566 | 323 | 3 | 2 years ago | [SparkLearning](https://github.com/xubo245/SparkLearning)/273 | Learning Apache spark,including code and data .Most part can run local. |
| 566 | 116 | 47 | 8 days ago | [chill](https://github.com/twitter/chill)/274 | Scala extensions for the Kryo serialization library |
| 562 | 146 | 37 | a day ago | [squeryl](https://github.com/squeryl/squeryl)/275 | A Scala DSL for talking with databases with minimum verbosity and maximum type safety |
| 562 | 101 | 80 | 4 months ago | [collins](https://github.com/tumblr/collins)/276 | groovy kind of love |
| 561 | 89 | 45 | 20 days ago | [magnolia](https://github.com/softwaremill/magnolia)/277 | Easy, fast, transparent generic derivation of typeclass instances |
| 561 | 113 | 3 | 2 days ago | [jwt-scala](https://github.com/jwt-scala/jwt-scala)/278 | JWT support for Scala. Bonus extensions for Play, Play JSON, Json4s, Circe, uPickle, Spray and Argonaut |
| 559 | 147 | 26 | 3 years ago | [factorie](https://github.com/factorie/factorie)/279 | FACTORIE is a toolkit for deployable probabilistic modeling, implemented as a software library in Scala. It provides its users with a succinct language for creating relational factor graphs, estimating parameters and performing inference. |
| 558 | 133 | 16 | 24 days ago | [upickle](https://github.com/com-lihaoyi/upickle)/280 | uPickle: a simple, fast, dependency-free JSON & Binary (MessagePack) serialization library for Scala |
| 556 | 78 | 21 | 3 years ago | [simple-docker-ui](https://github.com/felixgborrego/simple-docker-ui)/281 | Native Docker UI for Windows, macOS and Linux implemented using Scala.js, React and Electron |
| 556 | 176 | 39 | 7 hours ago | [kyuubi](https://github.com/NetEase/kyuubi)/282 | Kyuubi is a distributed multi-tenant JDBC server for large-scale data processing and analytics, built on top of Apache Spark |
| 554 | 50 | 15 | 8 months ago | [scala-arm](https://github.com/jsuereth/scala-arm)/283 | This project aims to be the Scala Incubator project for Automatic-Resource-Management in the scala library |
| 553 | 115 | 0 | 1 year, 4 months ago | [learn-fp](https://github.com/dehun/learn-fp)/284 | learn-by-doing course/tutorial for functional programming on scala |
| 553 | 295 | 139 | 3 years ago | [spark-redshift](https://github.com/databricks/spark-redshift)/285 | Redshift data source for Apache Spark |
| 545 | 140 | 31 | 18 days ago | [sbt-scoverage](https://github.com/scoverage/sbt-scoverage)/286 | sbt plugin for scoverage |
| 543 | 117 | 20 | 6 days ago | [scala-parser-combinators](https://github.com/scala/scala-parser-combinators)/287 | simple combinator-based parsing for Scala. formerly part of the Scala standard library, now a separate community-maintained module |
| 542 | 117 | 8 | a day ago | [akka-http-json](https://github.com/hseeberger/akka-http-json)/288 | Integrate some of the best JSON libs in Scala with Akka HTTP |
| 536 | 318 | 77 | 2 years ago | [spark-avro](https://github.com/databricks/spark-avro)/289 | Avro Data Source for Apache Spark |
| 536 | 134 | 11 | 7 months ago | [edda](https://github.com/Netflix/edda)/290 | AWS API Read Cache |
| 536 | 38 | 26 | 3 years ago | [macroid](https://github.com/47degrees/macroid)/291 | A modular functional UI language for Android |
| 535 | 105 | 8 | 16 days ago | [akka-quartz-scheduler](https://github.com/enragedginger/akka-quartz-scheduler)/292 | Quartz Extension and utilities for cron-style scheduling in Akka |
| 534 | 40 | 15 | 2 years ago | [scala-offheap](https://github.com/densh/scala-offheap)/293 | Experimental type-safe off-heap memory for Scala. |
| 532 | 286 | 161 | 1 year, 5 months ago | [shc](https://github.com/hortonworks-spark/shc)/294 | The Apache Spark - Apache HBase Connector is a library to support Spark accessing HBase table as external data source or sink.  |
| 532 | 149 | 63 | 2 years ago | [scalariform](https://github.com/scala-ide/scalariform)/295 | Scala source code formatter |
| 525 | 44 | 46 | a month ago | [slinky](https://github.com/shadaj/slinky)/296 | Write Scala.js React apps just like you would in ES6 |
| 525 | 45 | 18 | 27 days ago | [korolev](https://github.com/fomkin/korolev)/297 | Single Page Applications running on the server side. |
| 524 | 121 | 47 | a month ago | [Scorex](https://github.com/hyperledger-labs/Scorex)/298 | Scorex 2.0 Core |
| 523 | 64 | 6 | 1 year, 2 months ago | [scala-graph](https://github.com/scala-graph/scala-graph)/299 | Graph for Scala is intended to provide basic graph functionality seamlessly fitting into the Scala Collection Library. Like the well known members of scala.collection, Graph for Scala is an in-memory graph library aiming at editing and traversing graphs, finding cycles etc. in a user-friendly way. |
| 522 | 102 | 4 | a month ago | [scala-oauth2-provider](https://github.com/nulab/scala-oauth2-provider)/300 | OAuth 2.0 server-side implementation written in Scala |
| 518 | 46 | 25 | 1 year, 3 months ago | [accord](https://github.com/wix/accord)/301 | Accord: A sane validation library for Scala |
| 518 | 135 | 7 | 2 years ago | [casbah](https://github.com/mongodb/casbah)/302 | Casbah is now officially end-of-life (EOL). |
| 516 | 194 | 9 | 1 year, 8 months ago | [sparta](https://github.com/Stratio/sparta)/303 | Real Time Analytics and Data Pipelines based on Spark Streaming |
| 513 | 349 | 1 | 3 days ago | [programming-scala-book-code-examples](https://github.com/deanwampler/programming-scala-book-code-examples)/304 | The code examples used in Programming Scala, 2nd and 3rd Editions (O'Reilly) |
| 512 | 78 | 31 | 14 hours ago | [joern](https://github.com/joernio/joern)/305 | Open-source code analysis platform for C/C++/Java based on code property graphs |
| 508 | 145 | 76 | 2 years ago | [magellan](https://github.com/harsha2010/magellan)/306 | Geo Spatial Data Analytics on Spark |
| 508 | 47 | 5 | 2 years ago | [curiodb](https://github.com/stephenmcd/curiodb)/307 | Distributed NoSQL Database |
| 506 | 189 | 20 | 4 years ago | [Antox](https://github.com/markwinter/Antox)/308 | Scala android client for Project Tox - secure p2p messaging |
| 505 | 115 | 25 | 5 days ago | [argonaut](https://github.com/argonaut-io/argonaut)/309 | Purely functional JSON parser and library in scala. |
| 503 | 98 | 37 | 15 days ago | [twirl](https://github.com/playframework/twirl)/310 | Twirl is Play's default template engine |
| 496 | 78 | 3 | 5 days ago | [eff](https://github.com/atnos-org/eff)/311 | Eff monad for cats - https://atnos-org.github.io/eff |
| 496 | 242 | 105 | 2 years ago | [tranquility](https://github.com/druid-io/tranquility)/312 | Tranquility helps you send real-time event streams to Druid and handles partitioning, replication, service discovery, and schema rollover, seamlessly and without downtime. |
| 493 | 77 | 6 | 5 years ago | [rogue](https://github.com/foursquare/rogue)/313 | MOVED - The project is still under development but this page is deprecated. |
| 493 | 301 | 2 | 3 years ago | [scala-ide](https://github.com/scala-ide/scala-ide)/314 | Scala IDE for Eclipse |
| 489 | 65 | 225 | 3 years ago | [cbt](https://github.com/cvogt/cbt)/315 | CBT - fun, fast, intuitive, compositional, statically checked builds written in Scala |
| 487 | 70 | 46 | 3 months ago | [scalameter](https://github.com/scalameter/scalameter)/316 | Microbenchmarking and performance regression testing framework for the JVM platform. |
| 487 | 110 | 37 | 2 years ago | [salat](https://github.com/salat/salat)/317 | Salat is a simple serialization library for case classes. |
| 487 | 80 | 8 | 5 months ago | [sbt-buildinfo](https://github.com/sbt/sbt-buildinfo)/318 | I know this because build.sbt knows this. |
| 485 | 99 | 23 | 5 years ago | [scoobi](https://github.com/NICTA/scoobi)/319 | A Scala productivity framework for Hadoop. |
| 483 | 96 | 21 | 2 years ago | [repox](https://github.com/Centaur/repox)/320 | Make sbt more responsive |
| 482 | 109 | 52 | 6 years ago | [android-plugin](https://github.com/jberkel/android-plugin)/321 | An sbt plugin for Android development in Scala |
| 482 | 76 | 22 | 7 years ago | [stringmetric](https://github.com/rockymadden/stringmetric)/322 | :dart: String metrics and phonetic algorithms for Scala (e.g. Dice/Sorensen, Hamming, Jaccard, Jaro, Jaro-Winkler, Levenshtein, Metaphone, N-Gram, NYSIIS, Overlap, Ratcliff/Obershelp, Refined NYSIIS, Refined Soundex, Soundex, Weighted Levenshtein). |
| 481 | 65 | 23 | 2 days ago | [conscript](https://github.com/foundweekends/conscript)/323 | Scala at your command |
| 480 | 87 | 13 | 4 days ago | [cats-collections](https://github.com/typelevel/cats-collections)/324 | Data structures for pure functional programming in Scala |
| 477 | 77 | 79 | a month ago | [apibuilder](https://github.com/apicollective/apibuilder)/325 | Simple, Comprehensive Tooling for Modern APIs |
| 472 | 123 | 39 | 4 years ago | [keystone](https://github.com/amplab/keystone)/326 | Simplifying robust end-to-end machine learning on Apache Spark. |
| 471 | 52 | 86 | a day ago | [airframe](https://github.com/wvlet/airframe)/327 | Essential Building Blocks for Scala |
| 471 | 25 | 1 | 2 years ago | [scalaz-and-cats](https://github.com/fosskers/scalaz-and-cats)/328 | Usage examples and benchmarks between Scalaz and Cats (w/ Haskell ground-truth). |
| 471 | 87 | 30 | 1 year, 4 months ago | [epic](https://github.com/dlwh/epic)/329 | **Archived** Epic is a high performance statistical parser written in Scala, along with a framework for building complex structured prediction models. |
| 470 | 51 | 33 | a month ago | [decline](https://github.com/bkirwi/decline)/330 | A composable command-line parser for Scala. |
| 467 | 207 | 1519 | 9 hours ago | [orbeon-forms](https://github.com/orbeon/orbeon-forms)/331 | Orbeon Forms is an open source web forms solution. It includes an XForms engine, the Form Builder web-based form editor, and the Form Runner runtime. |
| 467 | 74 | 30 | a month ago | [gremlin-scala](https://github.com/mpollmeier/gremlin-scala)/332 | Scala wrapper for Apache TinkerPop 3 Graph DSL |
| 462 | 26 | 17 | 1 year, 1 month ago | [scala-newtype](https://github.com/estatico/scala-newtype)/333 | NewTypes for Scala with no runtime overhead |
| 460 | 145 | 3 | 4 months ago | [streamDM](https://github.com/huawei-noah/streamDM)/334 | Stream Data Mining Library for Spark Streaming |
| 460 | 63 | 26 | a month ago | [sourcecode](https://github.com/com-lihaoyi/sourcecode)/335 | Scala library providing "source" metadata to your program, similar to Python's __name__, C++'s __LINE__ or Ruby's __FILE__.  |
| 460 | 132 | 8 | 2 years ago | [spring-scala](https://github.com/spring-projects/spring-scala)/336 | None |
| 460 | 44 | 15 | 18 days ago | [fetch](https://github.com/47degrees/fetch)/337 | Simple & Efficient data access for Scala and Scala.js |
| 459 | 78 | 79 | 2 years ago | [storehaus](https://github.com/twitter/storehaus)/338 | Storehaus is a library that makes it easy to work with asynchronous key value stores |
| 457 | 35 | 7 | a month ago | [akka.js](https://github.com/akka-js/akka.js)/339 | Akka, for Scala.js |
| 454 | 80 | 10 | 4 months ago | [open-korean-text](https://github.com/open-korean-text/open-korean-text)/340 | Open Korean Text Processor - An Open-source Korean Text Processor |
| 452 | 44 | 86 | 2 days ago | [izumi](https://github.com/7mind/izumi)/341 | Productivity-oriented collection of lightweight fancy stuff for Scala toolchain |
| 450 | 88 | 10 | 10 days ago | [scala_text](https://github.com/scala-text/scala_text)/342 | Scala学習用テキスト |
| 450 | 121 | 126 | 16 days ago | [firesim](https://github.com/firesim/firesim)/343 | FireSim: Easy-to-use, Scalable, FPGA-accelerated Cycle-accurate Hardware Simulation in the Cloud |
| 448 | 54 | 55 | 5 months ago | [xitrum](https://github.com/xitrum-framework/xitrum)/344 | Async and clustered Scala web framework and HTTP(S) server |
| 447 | 151 | 28 | 1 year, 30 days ago | [chisel-tutorial](https://github.com/ucb-bar/chisel-tutorial)/345 | chisel tutorial exercises and answers |
| 447 | 78 | 34 | 2 years ago | [play2-war-plugin](https://github.com/play2war/play2-war-plugin)/346 | WAR Plugin for Play framework 2.x |
| 444 | 231 | 16 | 1 year, 10 months ago | [high-performance-spark-examples](https://github.com/high-performance-spark/high-performance-spark-examples)/347 | Examples for High Performance Spark |
| 442 | 76 | 24 | a month ago | [utest](https://github.com/com-lihaoyi/utest)/348 | A simple testing framework for Scala |
| 441 | 70 | 16 | a month ago | [testcontainers-scala](https://github.com/testcontainers/testcontainers-scala)/349 | Docker containers for testing in scala |
| 440 | 73 | 33 | 3 months ago | [sbt-pack](https://github.com/xerial/sbt-pack)/350 | A sbt plugin for creating distributable Scala packages. |
| 438 | 85 | 23 | a month ago | [ScalaMock](https://github.com/paulbutcher/ScalaMock)/351 | Native Scala mocking framework |
| 438 | 129 | 78 | 6 days ago | [jackson-module-scala](https://github.com/FasterXML/jackson-module-scala)/352 | Add-on module for Jackson (https://github.com/FasterXML/jackson) to support Scala-specific datatypes |
| 437 | 257 | 1 | 2 months ago | [LearningSparkV2](https://github.com/databricks/LearningSparkV2)/353 | This is the github repo for Learning Spark: Lightning-Fast Data Analytics [2nd Edition] |
| 435 | 32 | 13 | a month ago | [os-lib](https://github.com/com-lihaoyi/os-lib)/354 | OS-Lib is a simple, flexible, high-performance Scala interface to common OS filesystem and subprocess APIs |
| 434 | 110 | 4 | 2 years ago | [openie](https://github.com/knowitall/openie)/355 | Quality information extraction at web scale. |
| 433 | 66 | 12 | 7 days ago | [featran](https://github.com/spotify/featran)/356 | A Scala feature transformation library for data science and machine learning |
| 433 | 56 | 66 | a day ago | [jsoniter-scala](https://github.com/plokhotnyuk/jsoniter-scala)/357 | Scala macros for compile-time generation of safe and ultra-fast JSON codecs |
| 431 | 8 | 2 | 9 months ago | [topshell](https://github.com/topshell-language/topshell)/358 | TopShell - a purely functional, reactive scripting language |
| 430 | 138 | 245 | 6 days ago | [firrtl](https://github.com/chipsalliance/firrtl)/359 | Flexible Intermediate Representation for RTL |
| 430 | 57 | 11 | 2 months ago | [akka-http-session](https://github.com/softwaremill/akka-http-session)/360 | Web & mobile client-side akka-http sessions, with optional JWT support |
| 430 | 105 | 4 | 1 year, 18 days ago | [reboot](https://github.com/dispatch/reboot)/361 | Scala wrapper for the Java AsyncHttpClient. |
| 430 | 62 | 15 | 5 years ago | [twofishes](https://github.com/foursquare/twofishes)/362 | MOVED - The project is still under development but this page is deprecated. |
| 426 | 88 | 31 | 6 months ago | [docker-it-scala](https://github.com/whisklabs/docker-it-scala)/363 | Docker integration testing kit with Scala |
| 426 | 132 | 12 | 4 years ago | [frdomain](https://github.com/debasishg/frdomain)/364 | Code repo for Functional and Reactive Domain Modeling |
| 425 | 120 | 19 | 2 years ago | [spark-corenlp](https://github.com/databricks/spark-corenlp)/365 | Stanford CoreNLP wrapper for Apache Spark |
| 425 | 295 | 1 | 3 years ago | [LearningSpark](https://github.com/spirom/LearningSpark)/366 | Scala examples for learning to use Spark |
| 425 | 121 | 12 | 2 months ago | [riscv-sodor](https://github.com/ucb-bar/riscv-sodor)/367 | educational microarchitectures for risc-v isa |
| 423 | 78 | 19 | 4 years ago | [mypipe](https://github.com/mardambey/mypipe)/368 | MySQL binary log consumer with the ability to act on changed rows and publish changes to different systems with emphasis on Apache Kafka. |
| 421 | 70 | 49 | 3 days ago | [scapegoat](https://github.com/sksamuel/scapegoat)/369 | Scala compiler plugin for static code analysis |
| 420 | 23 | 5 | 6 months ago | [papa-carlo](https://github.com/Eliah-Lakhin/papa-carlo)/370 | Constructor of incremental parsers in Scala |
| 418 | 298 | 46 | 3 months ago | [spark-sql-perf](https://github.com/databricks/spark-sql-perf)/371 | None |
| 418 | 240 | 44 | a month ago | [spark-solr](https://github.com/lucidworks/spark-solr)/372 | Tools for reading data from Solr as a Spark RDD and indexing objects from Spark into Solr using SolrJ. |
| 417 | 61 | 5 | Unknown | [metrics-scala](https://github.com/erikvanoosten/metrics-scala)/373 | The scala API for Dropwizard's Metrics. |
| 416 | 212 | 3 | 6 years ago | [spray-template](https://github.com/spray/spray-template)/374 | SBT template project for quickly getting started with spray-server |
| 415 | 36 | 30 | Unknown | [rainier](https://github.com/stripe/rainier)/375 | Bayesian inference in Scala. |
| 414 | 143 | 57 | Unknown | [kafka](https://github.com/mesos/kafka)/376 | Apache Kafka on Apache Mesos |
| 413 | 61 | 10 | 12 days ago | [scala-java8-compat](https://github.com/scala/scala-java8-compat)/377 | A Java 8 compatibility kit for Scala. |
| 413 | 52 | 5 | 18 days ago | [kittens](https://github.com/typelevel/kittens)/378 | Automatic type class derivation for Cats |
| 411 | 99 | 141 | 7 days ago | [guardrail](https://github.com/guardrail-dev/guardrail)/379 | Principled code generation from OpenAPI specifications |
| 410 | 135 | 0 | 5 days ago | [Play-ReactiveMongo](https://github.com/ReactiveMongo/Play-ReactiveMongo)/380 | :leaves: ReactiveMongo plugin for Playframework |
| 410 | 114 | 4 | a month ago | [play-scalajs.g8](https://github.com/vmunier/play-scalajs.g8)/381 |  Giter8 template to get started with Play and Scala.js. |
| 409 | 32 | 29 | 2 days ago | [udash-core](https://github.com/UdashFramework/udash-core)/382 | Scala framework for building beautiful and maintainable web applications. |
| 409 | 110 | 1 | 7 years ago | [scala](https://github.com/mbonaci/scala)/383 | Scala reference (as seen by Java developer) |
| 405 | 26 | 11 | 13 days ago | [Laminar](https://github.com/raquo/Laminar)/384 | Simple, expressive, and safe UI library for Scala.js |
| 403 | 35 | 7 | 1 year, 10 months ago | [REPLesent](https://github.com/marconilanna/REPLesent)/385 | A neat little tool to build presentations using the Scala REPL |
| 402 | 62 | 3 | 4 years ago | [shard](https://github.com/philwantsfish/shard)/386 | A command line tool to detect shared passwords |
| 402 | 63 | 18 | 7 years ago | [platform](https://github.com/precog/platform)/387 | Advanced Analytics Engine for NoSQL Data |
| 401 | 97 | 13 | 1 year, 8 months ago | [scalgos](https://github.com/pathikrit/scalgos)/388 | algorithms in scala |
| 401 | 149 | 1 | 2 days ago | [scalachess](https://github.com/ornicar/scalachess)/389 | Chess API written in scala. Immutable and free of side effects. |
| 397 | 65 | 16 | 5 days ago | [jawn](https://github.com/typelevel/jawn)/390 | Jawn is for parsing jay-sawn (JSON) |
| 396 | 342 | 3 | 5 years ago | [spark-training](https://github.com/databricks/spark-training)/391 | Apache Spark training material |
| 395 | 47 | 32 | 2 years ago | [brushfire](https://github.com/stripe-archive/brushfire)/392 | Distributed decision tree ensemble learning in Scala                           |
| 395 | 129 | 17 | a day ago | [piflow](https://github.com/cas-bigdatalab/piflow)/393 | πflow is a big data flow engine with spark support |
| 394 | 96 | 123 | 3 years ago | [chisel2-deprecated](https://github.com/ucb-bar/chisel2-deprecated)/394 | None |
| 391 | 139 | 9 | 11 years ago | [norbert](https://github.com/rhavyn/norbert)/395 | Norbert is a cluster manager and networking layer built on top of Zookeeper. |
| 390 | 30 | 8 | 3 years ago | [subcut](https://github.com/dickwall/subcut)/396 | Scala Uniquely Bound Classes Under Traits |
| 388 | 36 | 138 | a month ago | [fury](https://github.com/propensive/fury)/397 | A new build tool for JVM languages |
| 388 | 98 | 51 | 3 days ago | [metorikku](https://github.com/YotpoLtd/metorikku)/398 | A simplified, lightweight ETL Framework based on Apache Spark |
| 385 | 89 | 5 | 16 days ago | [sparkMeasure](https://github.com/LucaCanali/sparkMeasure)/399 | This is the development repository of SparkMeasure, a tool for performance troubleshooting of Apache Spark workloads. It simplifies the collection and analysis of Spark task metrics data. |
| 383 | 86 | 1 | 6 years ago | [sse-chat](https://github.com/matthiasn/sse-chat)/400 | Chat example app using Server Sent Events plus REST calls. Scala, Play Framework 2.3, AngularJS or React (alternatively). |
| 383 | 103 | 6 | a day ago | [xsbt-web-plugin](https://github.com/earldouglas/xsbt-web-plugin)/401 | Servlet support for sbt |
| 379 | 42 | 56 | 2 months ago | [outwatch](https://github.com/OutWatch/outwatch)/402 | A purely functional and reactive UI framework |
| 379 | 70 | 36 | a month ago | [algebra](https://github.com/typelevel/algebra)/403 | Experimental project to lay out basic algebra type classes |
| 376 | 30 | 18 | a day ago | [scalapy](https://github.com/shadaj/scalapy)/404 | Use the world of Python from the comfort of Scala! |
| 376 | 123 | 97 | 16 days ago | [play-swagger](https://github.com/iheartradio/play-swagger)/405 | Swagger spec generator for play framework |
| 375 | 39 | 23 | 2 years ago | [larray](https://github.com/xerial/larray)/406 | Large off-heap arrays and mmap files for Scala and Java |
| 372 | 45 | 33 | 5 months ago | [autowire](https://github.com/lihaoyi/autowire)/407 | Macros for simple/safe RPCs between Scala applications, including ScalaJS/ScalaJVM |
| 371 | 152 | 83 | 6 hours ago | [ProjectRed](https://github.com/MrTJP/ProjectRed)/408 | Redstone Engineering |
| 369 | 58 | 0 | 7 years ago | [legacy-svn-scala](https://github.com/scala/legacy-svn-scala)/409 | OBSOLETE, we're over there: |
| 369 | 94 | 146 | a day ago | [akka-grpc](https://github.com/akka/akka-grpc)/410 | Akka gRPC |
| 369 | 83 | 41 | 1 year, 2 days ago | [sparklens](https://github.com/qubole/sparklens)/411 | Qubole Sparklens tool for performance tuning Apache Spark |
| 367 | 205 | 41 | 5 years ago | [spark-perf](https://github.com/databricks/spark-perf)/412 | Performance tests for Apache Spark |
| 364 | 42 | 40 | 11 months ago | [nelson](https://github.com/getnelson/nelson)/413 | Automated, multi-region container deployment |
| 364 | 22 | 8 | 11 days ago | [splain](https://github.com/tek/splain)/414 | better implicit errors for scala |
| 364 | 77 | 2 | 4 years ago | [akka-streams-example](https://github.com/inanna-malick/akka-streams-example)/415 | None |
| 364 | 66 | 2 | 3 years ago | [ddd-leaven-akka-v2](https://github.com/pawelkaczor/ddd-leaven-akka-v2)/416 | Sample e-commerce system #Microservices #Akka #Reactive-DDD #CQRS |
| 363 | 122 | 58 | a day ago | [scalac-scoverage-plugin](https://github.com/scoverage/scalac-scoverage-plugin)/417 | Scoverage Scala Code Coverage Core Libs |
| 362 | 66 | 5 | 1 year, 6 months ago | [sql-differential-privacy](https://github.com/uber-archive/sql-differential-privacy)/418 | Dataflow analysis & differential privacy for SQL queries. This project is deprecated and not maintained. |
| 361 | 142 | 216 | 3 months ago | [OAP](https://github.com/Intel-bigdata/OAP)/419 | Optimized Analytics Package for Spark* Platform |
| 359 | 191 | 16 | 15 days ago | [spark-xml](https://github.com/databricks/spark-xml)/420 | XML data source for Spark SQL and DataFrames |
| 359 | 52 | 20 | 14 days ago | [mima](https://github.com/lightbend/mima)/421 | A tool for catching binary incompatibility in Scala |
| 358 | 98 | 0 | 3 months ago | [akka-http-rest](https://github.com/arhelmus/akka-http-rest)/422 | Example of reactive REST service written on akka-http with slick |
| 356 | 30 | 2 | 4 days ago | [concurrency-in-scala-with-ce](https://github.com/slouc/concurrency-in-scala-with-ce)/423 | Introduction to concepts of asynchronous and concurrent programming in Scala, based on the Cats Effect library. |
| 355 | 63 | 28 | 11 months ago | [sbt-web](https://github.com/sbt/sbt-web)/424 | Library for building sbt plugins for the web |
| 354 | 37 | 25 | 19 days ago | [scala_typeclassopedia](https://github.com/lemastero/scala_typeclassopedia)/425 | Abstractions and constructions from math (Category theory, Abstract algebra) implementations in Scala, minimal description, links to good explanations, links to implementations in other FP languages: Haskell, Idris, Purescript, non FP too: Java, C++ and to formalizations in proof assistants: Coq (UniMath, HoTT book), Cubical Agda. |
| 351 | 40 | 30 | 8 months ago | [boopickle](https://github.com/suzaku-io/boopickle)/426 | Binary serialization library for efficient network communication |
| 351 | 45 | 0 | 15 days ago | [links](https://github.com/velvia/links)/427 | Just a bunch of useful links |
| 349 | 73 | 5 | 3 years ago | [eventsim](https://github.com/Interana/eventsim)/428 | Event data simulator. Generates a stream of pseudo-random events from a set of users, designed to simulate web traffic. |
| 348 | 115 | 21 | 1 year, 4 months ago | [scala-kafka-client](https://github.com/cakesolutions/scala-kafka-client)/429 | Scala helper modules for operating the Apache Kafka client library (0.9.x - 2.1.0) |
| 348 | 30 | 12 | 6 years ago | [ordasity](https://github.com/boundary/ordasity)/430 | Ordasity is Boundary's library for building stateful clustered services on the JVM. |
| 346 | 31 | 14 | a month ago | [cask](https://github.com/com-lihaoyi/cask)/431 | Cask: a Scala HTTP micro-framework |
| 346 | 58 | 21 | 18 days ago | [atto](https://github.com/tpolecat/atto)/432 | friendly little parsers |
| 346 | 50 | 18 | 1 year, 2 months ago | [bloom-filter-scala](https://github.com/alexandrnikitin/bloom-filter-scala)/433 | Bloom filter for Scala, the fastest for JVM |
| 346 | 113 | 60 | 3 months ago | [kafka-lag-exporter](https://github.com/lightbend/kafka-lag-exporter)/434 | Monitor Kafka Consumer Group Latency with Kafka Lag Exporter |
| 344 | 83 | 116 | 23 days ago | [aprsdroid](https://github.com/ge0rg/aprsdroid)/435 | APRSdroid - Geo-Location for Radio Amateurs |
| 344 | 10 | 10 | 1 year, 6 months ago | [idea-composer-plugin](https://github.com/psliwa/idea-composer-plugin)/436 | PhpStorm plugin that adds code completion in composer.json file |
| 343 | 81 | 0 | 1 year, 30 days ago | [ScalNet](https://github.com/deeplearning4j/ScalNet)/437 | A Scala wrapper for Deeplearning4j, inspired by Keras. Scala + DL + Spark + GPUs |
| 343 | 132 | 50 | 4 years ago | [spark-jobserver](https://github.com/ooyala/spark-jobserver)/438 | REST job server for Spark.  Note that this is *not* the mainline open source version.  For that, go to https://github.com/spark-jobserver/spark-jobserver.  This fork now serves as a semi-private repo for Ooyala. |
| 343 | 77 | 40 | 2 days ago | [endpoints4s](https://github.com/endpoints4s/endpoints4s)/439 | Scala library to define HTTP-based communication protocols |
| 342 | 47 | 55 | a month ago | [tsec](https://github.com/jmcardon/tsec)/440 | Type-safe general-cryptography library - https://jmcardon.github.io/tsec/ |
| 341 | 104 | 25 | 7 years ago | [graphx](https://github.com/amplab/graphx)/441 | Former GraphX development repository. GraphX has been merged into Apache Spark; please submit pull requests there. |
| 339 | 86 | 12 | 5 years ago | [nak](https://github.com/scalanlp/nak)/442 | The Nak Machine Learning Library |
| 334 | 57 | 4 | 3 years ago | [akka-ddd](https://github.com/pawelkaczor/akka-ddd)/443 | Akka CQRS/ES framework |
| 334 | 49 | 7 | 3 years ago | [chana](https://github.com/dcaoyuan/chana)/444 | Avro Data Store based on Akka |
| 334 | 39 | 2 | 18 days ago | [ciris](https://github.com/vlovgr/ciris)/445 | Functional Configurations for Scala |
| 334 | 139 | 11 | 5 years ago | [scala-kafka](https://github.com/elodina/scala-kafka)/446 | Quick up and running using Scala for Apache Kafka |
| 333 | 46 | 16 | 3 years ago | [osstracker](https://github.com/Netflix/osstracker)/447 | Github organization OSS metrics collector and metrics dashboard |
| 333 | 58 | 17 | an hour ago | [tofu](https://github.com/tofu-tf/tofu)/448 | Functional programming toolbox  |
| 333 | 95 | 3 | 3 years ago | [koober](https://github.com/jamesward/koober)/449 | None |
| 332 | 68 | 51 | 2 years ago | [scala_school2](https://github.com/twitter/scala_school2)/450 | Scala School 2 |
| 331 | 79 | 69 | 8 days ago | [scastie](https://github.com/scalacenter/scastie)/451 | An interactive playground for Scala |
| 328 | 49 | 7 | 9 months ago | [fun-cqrs](https://github.com/fun-cqrs/fun-cqrs)/452 | Fun.CQRS is a Scala CQRS/ES framework. It provides the basic blocks to build event driven aggregates with Event Sourcing. |
| 327 | 58 | 3 | 10 months ago | [akka-http-scala-js-websocket-chat](https://github.com/jrudolph/akka-http-scala-js-websocket-chat)/453 | An example app that integrates akka-http and scala-js to implement a websocket chat |
| 326 | 30 | 20 | 5 months ago | [scala-activerecord](https://github.com/aselab/scala-activerecord)/454 | ActiveRecord-like ORM library for Scala |
| 324 | 106 | 56 | 3 days ago | [spline](https://github.com/AbsaOSS/spline)/455 | Data Lineage Tracking And Visualization Solution |
| 323 | 64 | 0 | 4 months ago | [DeepLearningForFun](https://github.com/Ldpe2G/DeepLearningForFun)/456 | Implementation of some interesting ideas of deeplearning. |
| 322 | 52 | 26 | 6 years ago | [IScala](https://github.com/mattpap/IScala)/457 | Scala backend for IPython |
| 321 | 41 | 81 | 1 year, 2 months ago | [intellij-lsp](https://github.com/gtache/intellij-lsp)/458 | Plugin adding Language Server Protocol support for IntelliJ |
| 320 | 163 | 6 | 5 years ago | [Spark-SQL-on-HBase](https://github.com/Huawei-Spark/Spark-SQL-on-HBase)/459 | Native, optimized access to HBase Data through Spark SQL/Dataframe Interfaces |
| 320 | 78 | 15 | 3 years ago | [sparklint](https://github.com/groupon/sparklint)/460 | A tool for monitoring and tuning Spark jobs for efficiency. |
| 319 | 82 | 5 | 7 days ago | [telegram](https://github.com/bot4s/telegram)/461 | Telegram Bot API Wrapper for Scala |
| 319 | 60 | 9 | a day ago | [rudder](https://github.com/Normation/rudder)/462 | Continuous Auditing & Configuration |
| 317 | 96 | 441 | a day ago | [spark-rapids](https://github.com/NVIDIA/spark-rapids)/463 | Spark RAPIDS plugin - accelerate Apache Spark with GPUs |
| 316 | 64 | 10 | 4 years ago | [ping-play](https://github.com/brikis98/ping-play)/464 | BigPipe streaming for the Play Framework |
| 316 | 55 | 3 | 4 years ago | [openie-standalone](https://github.com/allenai/openie-standalone)/465 | Quality information extraction at web scale. Edit |
| 316 | 28 | 10 | 6 months ago | [retry](https://github.com/softwaremill/retry)/466 | because you should never give up, at least not on the first try |
| 315 | 22 | 17 | a month ago | [scribe](https://github.com/outr/scribe)/467 | The fastest logging library in the world. Built from scratch in Scala and programmatically configurable. |
| 314 | 102 | 70 | 1 year, 22 days ago | [s3mock](https://github.com/findify/s3mock)/468 | Embedded S3 server for easy mocking |
| 314 | 35 | 22 | 3 years ago | [akka-tracing](https://github.com/levkhomich/akka-tracing)/469 | A distributed tracing extension for Akka. Provides integration with Play framework, Spray and Akka HTTP. |
| 314 | 54 | 85 | 21 days ago | [webjars](https://github.com/webjars/webjars)/470 | Client-side web libraries packaged into JARs |
| 312 | 19 | 14 | 2 years ago | [scala-clippy](https://github.com/softwaremill/scala-clippy)/471 | Good advice for Scala compiler errors |
| 311 | 155 | 175 | 4 years ago | [rpgboss](https://github.com/rpgboss/rpgboss)/472 | point and click rpg game editor and engine |
| 311 | 90 | 29 | a month ago | [sbt-git](https://github.com/sbt/sbt-git)/473 | A git plugin for SBT |
| 310 | 68 | 31 | 1 year, 8 months ago | [mist](https://github.com/Hydrospheredata/mist)/474 | Serverless proxy for Spark cluster |
| 308 | 138 | 151 | 2 months ago | [scalaxb](https://github.com/eed3si9n/scalaxb)/475 | scalaxb is an XML data binding tool for Scala. |
| 308 | 47 | 40 | 5 years ago | [activate](https://github.com/fwbrasil/activate)/476 | Abandoned: Pluggable persistence in Scala |
| 307 | 27 | 41 | 4 months ago | [kantan.csv](https://github.com/nrinaudo/kantan.csv)/477 | CSV handling library for Scala |
| 307 | 55 | 28 | 9 months ago | [morpheus](https://github.com/opencypher/morpheus)/478 | Morpheus brings the leading graph query language, Cypher, onto the leading distributed processing platform, Spark. |
| 307 | 128 | 68 | 30 days ago | [akka-persistence-cassandra](https://github.com/akka/akka-persistence-cassandra)/479 | A replicated Akka Persistence journal backed by Apache Cassandra |
| 306 | 101 | 45 | 4 years ago | [Spark-MongoDB](https://github.com/Stratio/Spark-MongoDB)/480 | Spark library for easy MongoDB access |
| 305 | 174 | 4 | 6 months ago | [bahir](https://github.com/apache/bahir)/481 | Mirror of Apache Bahir |
| 305 | 48 | 23 | a month ago | [droste](https://github.com/higherkindness/droste)/482 | recursion schemes for cats; to iterate is human, to recurse, divine |
| 304 | 34 | 16 | 9 years ago | [Scalala](https://github.com/scalala/Scalala)/483 | Scalala has been superseded by dlwh/breeze. Scalala is a high performance numeric linear algebra library for Scala, with rich Matlab-like operators on vectors and matrices; a library of numerical routines; support for plotting. |
| 303 | 44 | 5 | 11 months ago | [khipu](https://github.com/khipu-io/khipu)/484 | An enterprise blockchain platform based on Ethereum |
| 303 | 38 | 14 | 4 years ago | [remotely](https://github.com/Verizon/remotely)/485 | An elegant RPC system for reasonable people |
| 303 | 53 | 2 | 1 year, 30 days ago | [nd4s](https://github.com/deeplearning4j/nd4s)/486 | ND4S: N-Dimensional Arrays for Scala. Scientific Computing a la Numpy. Based on ND4J. |
| 303 | 88 | 105 | a month ago | [vinyldns](https://github.com/vinyldns/vinyldns)/487 | DNS Governance for streamlining DNS operations and enabling safe and secure DNS self-service |
| 302 | 19 | 3 | 1 year, 7 days ago | [enso-archive](https://github.com/enso-org/enso-archive)/488 | Looking for Enso, the visual programming language? ➡️ https://github.com/enso-org/enso |
| 302 | 36 | 9 | 9 days ago | [scalikejdbc-async](https://github.com/scalikejdbc/scalikejdbc-async)/489 | ScalikeJDBC Extension: Non-blocking APIs in the JDBC way |
| 302 | 26 | 17 | 4 years ago | [lmvtfy](https://github.com/cvrebert/lmvtfy)/490 | LMVTFY: Let Me Validate That For You |
| 302 | 56 | 13 | 4 years ago | [zinc](https://github.com/typesafehub/zinc)/491 | ⛔️ [DEPRECATED] sbt's scala incremental compiler |
| 301 | 88 | 28 | 3 years ago | [virtualization-lms-core](https://github.com/TiarkRompf/virtualization-lms-core)/492 | A Framework for Runtime Code Generation and Compiled DSLs |
| 301 | 95 | 34 | 9 months ago | [skuber](https://github.com/doriordan/skuber)/493 | A Scala Kubernetes client library |
| 300 | 58 | 0 | 4 years ago | [classic](https://github.com/dispatch/classic)/494 | [UNSUPPORTED] Dispatch Classic. See dispatch/reboot for the modern Dispatch for Scala 2.11/2.12 |
| 300 | 96 | 9 | 2 years ago | [incubator-retired-gearpump](https://github.com/apache/incubator-retired-gearpump)/495 | Mirror of Apache Gearpump (Incubating) |
| 300 | 32 | 65 | 2 months ago | [aecor](https://github.com/notxcain/aecor)/496 | Pure functional event sourcing runtime |
| 299 | 48 | 40 | 2 months ago | [scalacss](https://github.com/japgolly/scalacss)/497 | Super type-safe CSS for Scala and Scala.JS. |
| 299 | 35 | 20 | a month ago | [degraph](https://github.com/riy/degraph)/498 | Test and Visualize and Manage Dependencies of classes and packages in JVM Byte Code (think Scala and Java) |
| 296 | 101 | 0 | 18 hours ago | [pfps-shopping-cart](https://github.com/gvolpe/pfps-shopping-cart)/499 | :shopping_cart: The Shopping Cart application developed in the book "Practical FP in Scala: A hands-on approach" |
| 296 | 49 | 26 | 14 days ago | [sirius](https://github.com/Comcast/sirius)/500 | A distributed system library for managing application reference data |
| 296 | 114 | 37 | 3 years ago | [spark-hbase-connector](https://github.com/nerdammer/spark-hbase-connector)/501 | Connect Spark to HBase for reading and writing data with ease |
| 294 | 85 | 19 | 2 years ago | [scalatest-embedded-kafka](https://github.com/manub/scalatest-embedded-kafka)/502 | A library that provides an in-memory Kafka instance to run your tests against. |
| 293 | 26 | 6 | 1 year, 4 months ago | [hamsters](https://github.com/scala-hamsters/hamsters)/503 | A mini Scala utility library |
| 293 | 14 | 5 | 4 years ago | [sqltyped](https://github.com/jonifreeman/sqltyped)/504 | Embedding SQL as an external DSL into Scala |
| 292 | 40 | 34 | 2 days ago | [zio-http](https://github.com/dream11/zio-http)/505 | A scala library to write Http apps. |
| 292 | 64 | 18 | 18 days ago | [sbt-microsites](https://github.com/47degrees/sbt-microsites)/506 | An sbt plugin to create awesome microsites for your project |
| 289 | 84 | 111 | 2 days ago | [cloudflow](https://github.com/lightbend/cloudflow)/507 | Cloudflow enables users to quickly develop, orchestrate, and operate distributed streaming applications on Kubernetes. |
| 289 | 43 | 4 | 7 days ago | [discipline](https://github.com/typelevel/discipline)/508 | Flexible law checking for Scala |
| 288 | 36 | 29 | 1 year, 4 months ago | [Scalatex](https://github.com/lihaoyi/Scalatex)/509 | Programmable, Typesafe Document Generation |
| 287 | 42 | 9 | 3 years ago | [Neutrino](https://github.com/eBay/Neutrino)/510 | Neutrino is a software load balancer(SLB) |
| 287 | 109 | 37 | 13 days ago | [scanamo](https://github.com/scanamo/scanamo)/511 | Simpler DynamoDB access for Scala |
| 286 | 54 | 38 | 17 days ago | [ratatool](https://github.com/spotify/ratatool)/512 | A tool for data sampling, data generation, and data diffing |
| 286 | 126 | 23 | 30 days ago | [kafka-security-manager](https://github.com/conduktor/kafka-security-manager)/513 | Manage your Kafka ACL at scale |
| 286 | 63 | 53 | 12 hours ago | [zio-prelude](https://github.com/zio/zio-prelude)/514 | A lightweight, distinctly Scala take on functional abstractions, with tight ZIO integration |
| 286 | 20 | 25 | 5 years ago | [supler](https://github.com/softwaremill/supler)/515 | Rapid Form Development library. Use your favourite JS frontend & Scala backend frameworks. |
| 286 | 139 | 2 | 6 months ago | [mongo-scala-driver](https://github.com/mongodb/mongo-scala-driver)/516 | None |
| 283 | 52 | 20 | 24 days ago | [spark-fast-tests](https://github.com/MrPowers/spark-fast-tests)/517 | Apache Spark testing helpers (dependency free & works with Scalatest, uTest, and MUnit) |
| 283 | 96 | 0 | 2 years ago | [spark-druid-olap](https://github.com/hbutani/spark-druid-olap)/518 | Sparkline BI Accelerator provides fast ad-hoc query capability over Logical Cubes. This has been folded into our SNAP Platform(http://bit.ly/2oBJSpP) an Integrated BI platform on Apache Spark. |
| 282 | 65 | 116 | 2 days ago | [hyperspace](https://github.com/microsoft/hyperspace)/519 | An open source indexing subsystem that brings index-based query acceleration to Apache Spark™ and big data workloads. |
| 282 | 103 | 48 | 1 year, 9 months ago | [spark-adaptive](https://github.com/Intel-bigdata/spark-adaptive)/520 | None |
| 281 | 166 | 7 | 1 year, 3 months ago | [scala-labs](https://github.com/scala-labs/scala-labs)/521 | A collection of hands-on programming exercises aimed at teaching you to program in Scala |
| 281 | 238 | 3 | 16 days ago | [scala-dist](https://github.com/scala/scala-dist)/522 | sbt project that packages the Scala distribution |
| 281 | 52 | 27 | 15 days ago | [blaze](https://github.com/http4s/blaze)/523 | Blazing fast NIO microframework and Http Parser |
| 281 | 23 | 22 | 17 days ago | [scaldi](https://github.com/scaldi/scaldi)/524 | Lightweight Scala Dependency Injection Library |
| 280 | 20 | 1 | 6 years ago | [net-monitor](https://github.com/fix-macosx/net-monitor)/525 | Toolkit for auditing "phone home" behavior on Mac OS X Yosemite. |
| 280 | 101 | 3 | 18 days ago | [scala3-example-project](https://github.com/scala/scala3-example-project)/526 | An example sbt project that compiles using Dotty |
| 280 | 31 | 47 | 2 days ago | [mu-scala](https://github.com/higherkindness/mu-scala)/527 | Mu is a purely functional library for building RPC endpoint based services with support for RPC and HTTP/2 |
| 279 | 182 | 0 | 2 years ago | [SparkOnHBase](https://github.com/cloudera-labs/SparkOnHBase)/528 | SparkOnHBase  |
| 279 | 39 | 0 | 1 year, 29 days ago | [boilerplay](https://github.com/KyleU/boilerplay)/529 | Using the latest technology in the Scala ecosystem, Boilerplay is a reactive web application built on Play Framework, ScalaJS, Silhouette, Sangria/GraphQL, and PostgreSQL. It provides a good starting point for whatever you want to build. |
| 279 | 15 | 7 | 6 months ago | [crjdt](https://github.com/fthomas/crjdt)/530 | A conflict-free replicated JSON datatype (CRDT) in Scala |
| 279 | 114 | 5 | 5 months ago | [hbase-rdd](https://github.com/hbase-rdd/hbase-rdd)/531 | Spark RDD to read, write and delete from HBase |
| 278 | 37 | 0 | 5 years ago | [akka-analytics](https://github.com/krasserm/akka-analytics)/532 | Large-scale event processing with Akka Persistence and Apache Spark |
| 277 | 85 | 2 | 3 years ago | [Scala-Algorithms](https://github.com/garyaiki/Scala-Algorithms)/533 | Scala translations of Robert Sedgewick's Java Algorthms |
| 277 | 48 | 20 | 7 years ago | [moe](https://github.com/MoeOrganization/moe)/534 | An -OFun prototype of an Ultra Modern Perl 5 |
| 277 | 44 | 9 | 7 months ago | [streamz](https://github.com/krasserm/streamz)/535 | A combinator library for integrating Functional Streams for Scala (FS2), Akka Streams and Apache Camel |
| 277 | 122 | 37 | 9 years ago | [jerkson](https://github.com/codahale/jerkson)/536 | [ABANDONED] The Scala applewood bacon to Jackson's chicken breast: JSON cordon bleu. |
| 276 | 36 | 6 | 2 years ago | [CT_from_Programmers.scala](https://github.com/typelevel/CT_from_Programmers.scala)/537 | Scala sample code for Bartosz Milewski's CT for Programmers |
| 275 | 44 | 10 | 24 days ago | [sbt-sonatype](https://github.com/xerial/sbt-sonatype)/538 | A sbt plugin for publishing Scala/Java projects to the Maven central. |
| 274 | 120 | 37 | a day ago | [akka-persistence-jdbc](https://github.com/akka/akka-persistence-jdbc)/539 | Asynchronously writes journal and snapshot entries to configured JDBC databases so that Akka Actors can recover state |
| 273 | 63 | 99 | a month ago | [banana-rdf](https://github.com/banana-rdf/banana-rdf)/540 | Banana RDF |
| 272 | 37 | 5 | 1 year, 5 months ago | [translate-bubble-android](https://github.com/47degrees/translate-bubble-android)/541 | Translations without interruptions |
| 272 | 33 | 22 | 4 years ago | [linter](https://github.com/HairyFotr/linter)/542 | Static Analysis Compiler Plugin for Scala |
| 270 | 17 | 14 | 3 years ago | [debox](https://github.com/non/debox)/543 | Fast, deboxed, specialized data structures for Scala |
| 270 | 134 | 0 | 15 days ago | [javacv-examples](https://github.com/bytedeco/javacv-examples)/544 | Examples of using JavaCV / OpenCV library on Java Virtual Machine |
| 270 | 37 | 9 | 4 years ago | [scala-uri](https://github.com/NET-A-PORTER/scala-uri)/545 | Simple scala library for building and parsing URIs |
| 270 | 19 | 14 | 8 days ago | [diffx](https://github.com/softwaremill/diffx)/546 | Pretty diffs for scala case classes |
| 270 | 33 | 3 | 17 days ago | [Laika](https://github.com/planet42/Laika)/547 | Text Markup Transformer for sbt and Scala applications, transforming Markdown and reStructuredText to HTML, EPUB and PDF |
| 270 | 50 | 26 | 41 minutes ago | [mdoc](https://github.com/scalameta/mdoc)/548 | Typechecked markdown documentation for Scala |
| 269 | 45 | 16 | 13 days ago | [log4cats](https://github.com/typelevel/log4cats)/549 | Logging Tools For Interaction with cats-effect |
| 268 | 108 | 46 | 7 days ago | [play-json](https://github.com/playframework/play-json)/550 | The Play JSON library |
| 268 | 153 | 3 | 1 year, 11 months ago | [examples-scala](https://github.com/streaming-with-flink/examples-scala)/551 | Stream Processing with Apache Flink - Scala Examples |
| 268 | 87 | 33 | 11 hours ago | [kaitai_struct_compiler](https://github.com/kaitai-io/kaitai_struct_compiler)/552 | Kaitai Struct: compiler to translate .ksy => .cpp / .cs / .dot / .java / .js / .php / .pm / .py / .rb |
| 267 | 19 | 7 | 7 days ago | [scalaprops](https://github.com/scalaprops/scalaprops)/553 | property based testing library for Scala |
| 267 | 26 | 11 | 6 days ago | [gll-combinators](https://github.com/djspiewak/gll-combinators)/554 | A parser combinator library based on the GLL algorithm |
| 266 | 45 | 8 | a month ago | [diffson](https://github.com/gnieh/diffson)/555 | A scala diff/patch library for Json |
| 266 | 231 | 1 | 1 year, 3 months ago | [scala-beginners](https://github.com/rockthejvm/scala-beginners)/556 | The official repository for the Rock the JVM Scala beginners course |
| 265 | 74 | 24 | 4 months ago | [BIDMat](https://github.com/BIDData/BIDMat)/557 | A CPU and GPU-accelerated matrix library for data mining |
| 265 | 9 | 5 | 16 days ago | [henkan](https://github.com/kailuowang/henkan)/558 | A small library for converting between case classes. |
| 265 | 139 | 11 | 7 years ago | [spark-distributed-louvain-modularity](https://github.com/Sotera/spark-distributed-louvain-modularity)/559 | Spark / graphX implementation of the distributed louvain modularity algorithm |
| 265 | 64 | 19 | 7 years ago | [scala-time](https://github.com/jorgeortiz85/scala-time)/560 | A Scala wrapper for Joda Time |
| 265 | 44 | 57 | 4 years ago | [akka-raft](https://github.com/ktoso/akka-raft)/561 | A toy project implementing RAFT on top of Akka Cluster (not prod ready) |
| 264 | 44 | 31 | 18 hours ago | [codepropertygraph](https://github.com/ShiftLeftSecurity/codepropertygraph)/562 | Semantic Code Property Graph: specification, query language, and utilities |
| 263 | 138 | 8 | 4 years ago | [sample-applications](https://github.com/playforscala/sample-applications)/563 | Sample applications that go with the book Play for Scala |
| 262 | 61 | 7 | 2 years ago | [sbt-scalariform](https://github.com/sbt/sbt-scalariform)/564 | sbt plugin adding support for source code formatting using Scalariform |
| 261 | 42 | 21 | 3 years ago | [sbt-onejar](https://github.com/sbt/sbt-onejar)/565 | Packages your project using One-JAR™ |
| 261 | 31 | 1 | 7 days ago | [big-data-rosetta-code](https://github.com/spotify/big-data-rosetta-code)/566 | Code snippets for solving common big data problems in various platforms. Inspired by Rosetta Code |
| 261 | 37 | 72 | 2 months ago | [overview-server](https://github.com/overview/overview-server)/567 | Open source large document set visualization platform |
| 261 | 45 | 7 | 4 years ago | [chalk](https://github.com/scalanlp/chalk)/568 | Chalk is a natural language processing library. |
| 260 | 55 | 16 | 6 years ago | [socko](https://github.com/mashupbots/socko)/569 | A Scala web server powered by Netty networking and AKKA processing. |
| 259 | 70 | 23 | 1 year, 9 months ago | [pdffigures2](https://github.com/allenai/pdffigures2)/570 | Given a scholarly PDF, extract figures, tables, captions, and section titles. |
| 259 | 57 | 8 | 3 years ago | [spray-socketio](https://github.com/dcaoyuan/spray-socketio)/571 | socket.io for spray |
| 258 | 19 | 20 | 9 days ago | [greyhound](https://github.com/wix/greyhound)/572 | Greyhound - Rich Kafka client library |
| 258 | 64 | 17 | 2 years ago | [incubator-s2graph](https://github.com/apache/incubator-s2graph)/573 | Mirror of Apache S2Graph (Incubating) |
| 258 | 32 | 3 | 3 years ago | [reactors](https://github.com/reactors-io/reactors)/574 | A foundational framework for distributed programming. |
| 257 | 42 | 18 | 5 months ago | [scalajs-angular](https://github.com/greencatsoft/scalajs-angular)/575 | AngularJS Binding for Scala.js |
| 257 | 179 | 4 | 4 years ago | [first-edition](https://github.com/spark-in-action/first-edition)/576 | The book's repo |
| 255 | 133 | 5 | 6 years ago | [bugatti](https://github.com/QianmiOpen/bugatti)/577 | 运维自动化部署监控平台 |
| 255 | 94 | 31 | 10 days ago | [neo4j-spark-connector](https://github.com/neo4j-contrib/neo4j-spark-connector)/578 | Neo4j Connector for Apache Spark, which provides bi-directional read/write access to Neo4j from Spark, using the Spark DataSource APIs |
| 255 | 18 | 19 | 9 days ago | [riff-raff](https://github.com/guardian/riff-raff)/579 | The Guardian's deployment platform |
| 254 | 23 | 46 | 11 hours ago | [indigo](https://github.com/PurpleKingdomGames/indigo)/580 | An FP game engine for Scala. |
| 253 | 124 | 7 | 6 years ago | [scalania](https://github.com/jaceklaskowski/scalania)/581 | Learn Scala by examples |
| 252 | 53 | 5 | 4 years ago | [ScalaStorm](https://github.com/velvia/ScalaStorm)/582 | Harness the power and elegance of Scala with nathanmarz's Storm real-time system |
| 252 | 80 | 21 | 4 years ago | [spark-indexedrdd](https://github.com/amplab/spark-indexedrdd)/583 | An efficient updatable key-value store for Apache Spark |
| 251 | 95 | 86 | 3 days ago | [zinc](https://github.com/sbt/zinc)/584 | Scala incremental compiler library, originally part of sbt |
| 251 | 33 | 30 | 14 days ago | [case-app](https://github.com/alexarchambault/case-app)/585 | Type-level & seamless command-line argument parsing for Scala |
| 250 | 32 | 33 | 5 years ago | [s2graph](https://github.com/kakao/s2graph)/586 | This code base is retained for historical interest only, please visit Apache Incubator Repo for latest one  |
| 250 | 35 | 12 | 2 years ago | [chaos](https://github.com/mesosphere/chaos)/587 | A lightweight framework for writing REST services in Scala. |
| 250 | 92 | 4 | 3 years ago | [kafka-exactly-once](https://github.com/koeninger/kafka-exactly-once)/588 | None |
| 250 | 39 | 6 | 11 months ago | [kmq](https://github.com/softwaremill/kmq)/589 | Kafka-based message queue |
| 250 | 39 | 2 | 17 days ago | [mouse](https://github.com/typelevel/mouse)/590 | A small companion to cats |
| 250 | 10 | 2 | 5 years ago | [clump](https://github.com/getclump/clump)/591 | A library for expressive and efficient service composition |
| 249 | 52 | 12 | 1 year, 4 months ago | [riscv-mini](https://github.com/ucb-bar/riscv-mini)/592 | Simple RISC-V 3-stage Pipeline in Chisel |
| 249 | 59 | 15 | 17 days ago | [doodle](https://github.com/creativescala/doodle)/593 | Compositional vector graphics in Scala / Scala.JS |
| 249 | 47 | 12 | 13 days ago | [slick-joda-mapper](https://github.com/tototoshi/slick-joda-mapper)/594 | Slick with JodaTime |
| 248 | 31 | 4 | 18 days ago | [scala-uri](https://github.com/lemonlabsuk/scala-uri)/595 | Simple scala library for building and parsing URIs |
| 248 | 32 | 19 | 24 days ago | [sbt-dynver](https://github.com/dwijnand/sbt-dynver)/596 | An sbt plugin to dynamically set your version from git |
| 247 | 14 | 21 | 1 year, 10 months ago | [nexus](https://github.com/ctongfei/nexus)/597 | Experimental tensor-typed deep learning  |
| 247 | 27 | 31 | 1 year, 5 months ago | [each](https://github.com/ThoughtWorksInc/each)/598 | A macro library that converts native imperative syntax to scalaz's monadic expressions |
| 247 | 29 | 12 | 18 days ago | [cats-tagless](https://github.com/typelevel/cats-tagless)/599 | Library of utilities for tagless final encoded algebras |
| 246 | 20 | 16 | 6 years ago | [ScalaCL](https://github.com/nativelibs4java/ScalaCL)/600 | ScalaCL - run Scala on your GPU! |
| 246 | 56 | 30 | 17 hours ago | [zio-json](https://github.com/zio/zio-json)/601 | Fast, secure JSON library with tight ZIO integration. |
| 245 | 41 | 9 | 3 years ago | [scala-stm](https://github.com/nbronson/scala-stm)/602 | A library-based Software Transactional Memory (STM) for Scala, coupled with transactional sets and maps |
| 245 | 36 | 31 | 2 years ago | [dragos-vscode-scala](https://github.com/dragos/dragos-vscode-scala)/603 | None |
| 244 | 83 | 4 | 3 years ago | [ensime-sbt](https://github.com/ensime/ensime-sbt)/604 | Generates .ensime config files for SBT projects |
| 244 | 67 | 36 | 2 days ago | [baker](https://github.com/ing-bank/baker)/605 | Orchestrate microservice-based process flows |
| 244 | 75 | 24 | 2 months ago | [play-mailer](https://github.com/playframework/play-mailer)/606 | Play mailer plugin |
| 244 | 42 | 7 | 14 days ago | [mockito-scala](https://github.com/mockito/mockito-scala)/607 | Mockito for Scala language |
| 244 | 98 | 1 | 1 year, 8 months ago | [Apache-Kafka-poc-and-notes](https://github.com/vaquarkhan/Apache-Kafka-poc-and-notes)/608 | None |
| 243 | 22 | 11 | 1 year, 11 months ago | [json-lenses](https://github.com/jrudolph/json-lenses)/609 | A library to query and update JSON data in Scala. |
| 243 | 7 | 20 | a month ago | [lc-core](https://github.com/librecaptcha/lc-core)/610 | The LibreCaptcha framework, for self-hosted, privacy respecting CAPTCHAs |
| 242 | 44 | 5 | 2 years ago | [baysick](https://github.com/fogus/baysick)/611 | An embedded Insane-specific Language for Scala implementing the BASIC programming language |
| 242 | 15 | 16 | 17 days ago | [odin](https://github.com/valskalla/odin)/612 | Fast & Functional logger in Scala |
| 241 | 27 | 6 | a month ago | [silencer](https://github.com/ghik/silencer)/613 | Scala compiler plugin for warning suppression |
| 241 | 42 | 10 | 8 years ago | [cassie](https://github.com/twitter-archive/cassie)/614 | A Scala client for Cassandra |
| 241 | 26 | 5 | a month ago | [sbt-tpolecat](https://github.com/DavidGregory084/sbt-tpolecat)/615 | scalac options for the enlightened |
| 241 | 15 | 83 | a month ago | [Vale](https://github.com/ValeLang/Vale)/616 | Compiler for the Vale programming language - http://vale.dev/ |
| 241 | 17 | 3 | 2 years ago | [arrows](https://github.com/traneio/arrows)/617 | High-performance Arrow and Task in Scala |
| 241 | 29 | 1 | 6 years ago | [puck](https://github.com/dlwh/puck)/618 | Puck is a lightning-fast parser for natural languages using GPUs |
| 241 | 88 | 1 | 8 days ago | [sangria-akka-http-example](https://github.com/sangria-graphql/sangria-akka-http-example)/619 | An example GraphQL server written with akka-http, circe and sangria |
| 240 | 26 | 1 | 2 years ago | [grafter](https://github.com/zalando/grafter)/620 | Grafter is a library to configure and wire Scala applications |
| 240 | 43 | 16 | 13 days ago | [scala-3-migration-guide](https://github.com/scalacenter/scala-3-migration-guide)/621 | The Scala 3 migration guide for everyone. |
| 239 | 57 | 18 | 17 days ago | [cats-mtl](https://github.com/typelevel/cats-mtl)/622 | cats transformer type classes. |
| 239 | 51 | 46 | 5 months ago | [pilon](https://github.com/broadinstitute/pilon)/623 | Pilon is an automated genome assembly improvement and variant detection tool |
| 239 | 33 | 30 | 4 years ago | [sorm](https://github.com/sorm/sorm)/624 | A functional boilerplate-free Scala ORM |
| 239 | 20 | 15 | 4 years ago | [khronus](https://github.com/khronus/khronus)/625 | A reactive time series database |
| 238 | 32 | 4 | 17 days ago | [akka-http-cors](https://github.com/lomigmegard/akka-http-cors)/626 | Akka Http directives implementing the CORS specifications defined by W3C |
| 238 | 29 | 0 | 3 years ago | [scala-abide](https://github.com/scala/scala-abide)/627 | obsolete; visit https://github.com/scalacenter/scalafix instead |
| 237 | 120 | 15 | 2 years ago | [spark-libFM](https://github.com/zhengruifeng/spark-libFM)/628 | An implement of Factorization Machines (LibFM) |
| 237 | 18 | 16 | a month ago | [scala-hedgehog](https://github.com/hedgehogqa/scala-hedgehog)/629 | Release with confidence, state-of-the-art property testing for Scala. |
| 235 | 97 | 45 | 2 months ago | [twitter4s](https://github.com/DanielaSfregola/twitter4s)/630 | An asynchronous non-blocking Scala client for both the Twitter Rest and Streaming API |
| 235 | 76 | 19 | 3 years ago | [ollie](https://github.com/knowitall/ollie)/631 | Ollie is a open information extractor that uses bootstrapped dependency paths. |
| 235 | 26 | 12 | 3 months ago | [acyclic](https://github.com/com-lihaoyi/acyclic)/632 | Acyclic is a Scala compiler plugin to let you prohibit circular dependencies between files |
| 235 | 74 | 39 | 1 year, 3 months ago | [op-rabbit](https://github.com/SpinGo/op-rabbit)/633 | The Opinionated RabbitMQ Library for Scala and Akka |
| 235 | 63 | 3 | 5 months ago | [reactive-microservices](https://github.com/theiterators/reactive-microservices)/634 | Project showcasing different microservice communication styles using Scala, Akka, Play and other tools from Scala ecosystem |
| 235 | 12 | 25 | 6 months ago | [seed](https://github.com/tindzk/seed)/635 | Build tool for Scala projects |
| 235 | 56 | 46 | 4 days ago | [rho](https://github.com/http4s/rho)/636 | A self documenting DSL built on http4s |
| 234 | 101 | 67 | 14 days ago | [spark-excel](https://github.com/crealytics/spark-excel)/637 | A Spark plugin for reading Excel files via Apache POI |
| 233 | 15 | 1 | 4 years ago | [scads](https://github.com/chrisokasaki/scads)/638 | Scala Algorithms and Data Structures |
| 233 | 103 | 22 | 2 months ago | [sagemaker-spark](https://github.com/aws/sagemaker-spark)/639 | A Spark library for Amazon SageMaker. |
| 233 | 35 | 1 | 4 months ago | [probability-monad](https://github.com/jliszka/probability-monad)/640 | None |
| 233 | 93 | 3 | 1 year, 6 months ago | [midonet](https://github.com/midonet/midonet)/641 | MidoNet is an Open Source network virtualization system for Openstack clouds |
| 233 | 16 | 12 | 7 months ago | [monadless](https://github.com/monadless/monadless)/642 | Syntactic sugar for monad composition in Scala |
| 232 | 43 | 2 | 6 years ago | [scala](https://github.com/codeport/scala)/643 | LascoDan(Korea Scala Group) scala study   |
| 232 | 41 | 14 | 1 year, 9 months ago | [scala-js-ts-importer](https://github.com/sjrd/scala-js-ts-importer)/644 | TypeScript Importer for Scala.js |
| 232 | 43 | 24 | 14 days ago | [natchez](https://github.com/tpolecat/natchez)/645 | functional tracing for cats |
| 232 | 114 | 3 | 4 years ago | [Netflix-Recommender-with-Spark](https://github.com/LeechanX/Netflix-Recommender-with-Spark)/646 | 基于Apache Spark的Netflix电影的离线与实时推荐系统 |
| 231 | 49 | 4 | 4 years ago | [dockerworker](https://github.com/iron-io/dockerworker)/647 | The new IronWorker workflow examples. Test locally, then upload and start queuing jobs! |
| 231 | 21 | 0 | 4 days ago | [sbt-fresh](https://github.com/sbt/sbt-fresh)/648 | sbt-plugin to create an opinionated fresh sbt project |
| 231 | 68 | 77 | 21 days ago | [paradox](https://github.com/lightbend/paradox)/649 | Markdown documentation |
| 231 | 12 | 42 | a month ago | [SwayDB](https://github.com/simerplaha/SwayDB)/650 | Non-blocking persistent & in-memory key-value storage engine for JVM. |
| 230 | 8 | 4 | 2 years ago | [curryhoward](https://github.com/Chymyst/curryhoward)/651 | Automatic code generation for Scala functions and expressions via the Curry-Howard isomorphism |
| 230 | 48 | 12 | 3 years ago | [workbench](https://github.com/lihaoyi/workbench)/652 | Tooling around scala-js |
| 230 | 50 | 16 | a month ago | [scala-ssh](https://github.com/sirthias/scala-ssh)/653 | Remote shell access via SSH for your Scala applications |
| 230 | 71 | 3 | 17 days ago | [akka-kryo-serialization](https://github.com/altoo-ag/akka-kryo-serialization)/654 | Kryo-based serialization for Akka |
| 229 | 21 | 17 | 2 months ago | [evilplot](https://github.com/cibotech/evilplot)/655 | A Scala combinator-based plotting library. |
| 229 | 64 | 9 | 7 months ago | [akka-rabbitmq](https://github.com/NewMotion/akka-rabbitmq)/656 | RabbitMq client in Scala and Akka actors |
| 228 | 139 | 8 | 5 years ago | [flink-streaming-demo](https://github.com/dataArtisans/flink-streaming-demo)/657 | None |
| 228 | 20 | 5 | 1 year, 9 months ago | [Scurses](https://github.com/Tenchi2xh/Scurses)/658 | Scurses, terminal drawing API for Scala, and Onions, a Scurses framework for easy terminal UI |
| 228 | 87 | 23 | 7 days ago | [scala-xml](https://github.com/scala/scala-xml)/659 | The standard Scala XML library |
| 228 | 129 | 53 | 3 months ago | [scala-js-dom](https://github.com/scala-js/scala-js-dom)/660 | Statically typed DOM API for Scala.js |
| 227 | 61 | 12 | 4 years ago | [akka-persistence-cassandra](https://github.com/krasserm/akka-persistence-cassandra)/661 | A replicated Akka Persistence journal backed by Apache Cassandra |
| 227 | 30 | 1 | 7 days ago | [embedded-kafka](https://github.com/embeddedkafka/embedded-kafka)/662 | A library that provides an in-memory Kafka instance to run your tests against. |
| 227 | 61 | 168 | 28 days ago | [ergo](https://github.com/ergoplatform/ergo)/663 | Ergo protocol description & reference client implementation |
| 227 | 83 | 3 | 2 years ago | [ReactiveMessagingPatterns_ActorModel](https://github.com/VaughnVernon/ReactiveMessagingPatterns_ActorModel)/664 | The examples for the book "Reactive Messaging Patterns with the Actor Model" |
| 226 | 54 | 4 | 1 year, 2 months ago | [sbt-native-packager-examples](https://github.com/muuki88/sbt-native-packager-examples)/665 | A set of sbt-native-pakager examples |
| 226 | 30 | 23 | a month ago | [scalacheck-shapeless](https://github.com/alexarchambault/scalacheck-shapeless)/666 | Generation of arbitrary case classes / ADTs instances with scalacheck and shapeless |
| 226 | 40 | 33 | a day ago | [munit](https://github.com/scalameta/munit)/667 | Scala testing library with actionable errors and extensible APIs |
| 226 | 29 | 12 | 6 years ago | [sjson](https://github.com/debasishg/sjson)/668 | Scala Json with capabilities for Scala Object Serialization |
| 226 | 79 | 12 | a month ago | [chisel-template](https://github.com/freechipsproject/chisel-template)/669 | A template project for beginning new Chisel work |
| 225 | 48 | 22 | 7 months ago | [fsqio](https://github.com/foursquare/fsqio)/670 | A monorepo that holds all of Foursquare's opensource projects |
| 225 | 64 | 330 | 19 hours ago | [bitcoin-s](https://github.com/bitcoin-s/bitcoin-s)/671 | Bitcoin Implementation in Scala |
| 223 | 115 | 4 | 2 years ago | [play-scala-rest-api-example](https://github.com/playframework/play-scala-rest-api-example)/672 | Example Play Scala application showing REST API |
| 222 | 79 | 42 | 3 years ago | [ScalaBuff](https://github.com/SandroGrzicic/ScalaBuff)/673 | the scala protocol buffers (protobuf) compiler |
| 222 | 142 | 130 | 22 hours ago | [akka-management](https://github.com/akka/akka-management)/674 | Akka Management is a suite of tools for operating Akka Clusters. |
| 222 | 44 | 28 | 16 days ago | [zio-actors](https://github.com/zio/zio-actors)/675 | A high-performance, purely-functional library for building, composing, and supervising typed actors based on ZIO |
| 222 | 18 | 3 | 5 years ago | [akka-data-replication](https://github.com/patriknw/akka-data-replication)/676 | Replication of CRDTs in Akka Cluster |
| 221 | 18 | 22 | 6 months ago | [sbt-explicit-dependencies](https://github.com/cb372/sbt-explicit-dependencies)/677 | None |
| 220 | 26 | 20 | 5 months ago | [Dsl.scala](https://github.com/ThoughtWorksInc/Dsl.scala)/678 | A framework to create embedded Domain-Specific Languages in Scala |
| 220 | 54 | 8 | 5 years ago | [spray-websocket](https://github.com/dcaoyuan/spray-websocket)/679 | WebSocket for spray-can |
| 219 | 22 | 8 | 4 years ago | [active-slick](https://github.com/strongtyped/active-slick)/680 | Slick extensions for record lifecycle management |
| 219 | 148 | 2 | Unknown | [LayIM](https://github.com/scalad/LayIM)/681 | 基于HTML5 WebSocket的一款IM即时通讯软件，使用Gradle集成了Scala、SpringBoot、Spring MVC、Mybatis、Redis等，前端使用了LayIm框架 |
| 218 | 69 | 5 | Unknown | [neo4j-scala](https://github.com/FaKod/neo4j-scala)/682 | Scala wrapper for Neo4j Graph Database |
| 218 | 31 | 0 | Unknown | [akka-crdt](https://github.com/jboner/akka-crdt)/683 | Server-managed CRDTs based on Akka |
| 217 | 35 | 14 | Unknown | [constructr](https://github.com/hseeberger/constructr)/684 | Coordinated (etcd, ...) cluster construction for dynamic (cloud, containers) environments |
| 217 | 52 | 22 | Unknown | [trifecta](https://github.com/ldaniels528/trifecta)/685 | Trifecta is a web-based and CLI tool that simplifies inspecting Kafka messages and Zookeeper data. Additionally, the CLI tool provides the capability to import/export data to/from ElasticSearch and MongoDB. |
| 217 | 124 | 62 | Unknown | [spark-bench](https://github.com/CODAIT/spark-bench)/686 | Benchmark Suite for Apache Spark |
| 217 | 49 | 16 | Unknown | [zio-todo-backend](https://github.com/mschuwalow/zio-todo-backend)/687 | Todo-Backend (https://www.todobackend.com/) implementation using ZIO, http4s and circe |
| 217 | 67 | 36 | Unknown | [zio-microservice](https://github.com/zio/zio-microservice)/688 | ZIO-powered microservices via HTTP and other protocols. |
| 217 | 6 | 12 | Unknown | [Scalaxy](https://github.com/nativelibs4java/Scalaxy)/689 | Compiler plugin goodies for Scala (continuation of non-OpenCL part of ScalaCL) |
| 216 | 24 | 9 | Unknown | [play-auto-refresh](https://github.com/jamesward/play-auto-refresh)/690 | None |
| 216 | 62 | 17 | Unknown | [querulous](https://github.com/nkallen/querulous)/691 | An agreeable way to talk to your database. |
| 216 | 86 | 12 | Unknown | [gimel](https://github.com/paypal/gimel)/692 | Big Data Processing Framework - Unified Data API or SQL on Any Storage |
| 215 | 33 | 0 | Unknown | [ddd-leaven-akka](https://github.com/pawelkaczor/ddd-leaven-akka)/693 | Reactive DDD with Akka |
| 215 | 107 | 90 | Unknown | [bazel-deps](https://github.com/johnynek/bazel-deps)/694 | Generate bazel dependencies for maven artifacts  |
| 215 | 39 | 38 | Unknown | [reactive](https://github.com/nafg/reactive)/695 | A simple FRP library and a web UI framework built on it |
| 215 | 51 | 19 | Unknown | [gu-who](https://github.com/guardian/gu-who)/696 | answering: who are all these users in my GitHub org? |
| 215 | 31 | 5 | Unknown | [ckite](https://github.com/pablosmedina/ckite)/697 | CKite - A JVM implementation of the Raft distributed consensus algorithm written in Scala |
| 214 | 41 | 41 | Unknown | [EventStore.JVM](https://github.com/EventStore/EventStore.JVM)/698 | Event Store JVM Client  |
| 214 | 23 | 4 | Unknown | [twirl](https://github.com/spray/twirl)/699 | The Play framework Scala template engine, stand-alone and packaged as an SBT plugin |
| 214 | 92 | 75 | Unknown | [scalajs-bundler](https://github.com/scalacenter/scalajs-bundler)/700 | None |
| 213 | 24 | 4 | 4 years ago | [scala-machines](https://github.com/runarorama/scala-machines)/701 | A stream processing library for Scala |
| 213 | 78 | 8 | a day ago | [mantis](https://github.com/input-output-hk/mantis)/702 | A Scala based client for Ethereum-like Blockchains.  |
| 213 | 102 | 0 | 6 years ago | [CourseraCodeSamplesReactiveProgramming](https://github.com/headinthebox/CourseraCodeSamplesReactiveProgramming)/703 | None |
| 213 | 30 | 27 | 5 hours ago | [cornichon](https://github.com/agourlay/cornichon)/704 | Scala DSL for testing HTTP JSON API |
| 212 | 55 | 2 | 8 years ago | [apparat](https://github.com/joa/apparat)/705 | A framework to optmize ABC, SWC and SWF files. |
| 211 | 9 | 178 | 17 hours ago | [apalache](https://github.com/informalsystems/apalache)/706 | APALACHE: symbolic model checker for TLA+ |
| 211 | 32 | 21 | 6 years ago | [scalagen](https://github.com/timowest/scalagen)/707 | Java to Scala transformation |
| 210 | 87 | 5 | 4 years ago | [CodeSamples](https://github.com/ReactiveDesignPatterns/CodeSamples)/708 | Code snippets appearing in the book are excerpts from these complete and tested samples. |
| 210 | 67 | 16 | a month ago | [cloudformation-template-generator](https://github.com/Bayer-Group/cloudformation-template-generator)/709 | A type-safe Scala DSL for generating CloudFormation templates |
| 209 | 61 | 4 | 12 days ago | [anorm](https://github.com/playframework/anorm)/710 | The Anorm database library |
| 209 | 24 | 69 | 7 months ago | [spatial](https://github.com/stanford-ppl/spatial)/711 | Spatial: "Specify Parameterized Accelerators Through Inordinately Abstract Language" |
| 209 | 76 | 8 | 3 years ago | [flink-tensorflow](https://github.com/FlinkML/flink-tensorflow)/712 | flink-tensorflow - TensorFlow support for Apache Flink |
| 209 | 194 | 1 | 2 years ago | [spark2.0-examples](https://github.com/phatak-dev/spark2.0-examples)/713 | Examples of Spark 2.0  |
| 208 | 103 | 18 | 2 months ago | [spark-knn](https://github.com/saurfang/spark-knn)/714 | k-Nearest Neighbors algorithm on Spark |
| 208 | 43 | 12 | 5 years ago | [Delite](https://github.com/stanford-ppl/Delite)/715 | The Delite Git Repo |
| 208 | 119 | 2 | 4 years ago | [douban-recommender](https://github.com/smallnest/douban-recommender)/716 | 基于Spark ML实现的豆瓣电影推荐系统 |
| 208 | 19 | 2 | 4 days ago | [scaffeine](https://github.com/blemale/scaffeine)/717 | Thin Scala wrapper for Caffeine (https://github.com/ben-manes/caffeine) |
| 207 | 22 | 20 | 9 days ago | [weaver-test](https://github.com/disneystreaming/weaver-test)/718 | A test framework that runs everything in parallel.  |
| 206 | 73 | 0 | 2 years ago | [collection-strawman](https://github.com/scala/collection-strawman)/719 | Implementation of the new Scala 2.13 Collections |
| 205 | 38 | 36 | 3 years ago | [scala-redis-nb](https://github.com/debasishg/scala-redis-nb)/720 | Implementation of a non blocking Redis client in Scala using Akka IO |
| 205 | 17 | 9 | 4 years ago | [emm](https://github.com/djspiewak/emm)/721 | A general monad for managing stacking effects |
| 205 | 23 | 18 | 2 months ago | [monadic-html](https://github.com/OlivierBlanvillain/monadic-html)/722 | Tiny DOM binding library for Scala.js |
| 205 | 46 | 0 | 5 months ago | [courier](https://github.com/dmurvihill/courier)/723 | send electronic mail with scala |
| 205 | 61 | 9 | 6 years ago | [akka-persistence-kafka](https://github.com/krasserm/akka-persistence-kafka)/724 | A replicated Akka Persistence journal backed by Apache Kafka |
| 205 | 104 | 7 | 8 months ago | [learning-examples](https://github.com/concurrent-programming-in-scala/learning-examples)/725 | Code examples for the book Learning Concurrent Programming in Scala |
| 204 | 69 | 0 | 8 years ago | [link-prediction](https://github.com/echen/link-prediction)/726 | Solution to Facebook's link prediction contest on Kaggle. |
| 204 | 50 | 3 | 18 hours ago | [redis4cats](https://github.com/profunktor/redis4cats)/727 | :bookmark: Redis client built on top of Cats Effect, Fs2 and Lettuce |
| 204 | 42 | 16 | 13 days ago | [harness](https://github.com/actionml/harness)/728 | Harness is a Machine Learning/AI Server with plugins for many algorithms including the Universal Recommender |
| 204 | 67 | 29 | 17 days ago | [github4s](https://github.com/47degrees/github4s)/729 | A GitHub API wrapper written in Scala |
| 204 | 55 | 6 | 5 years ago | [play-salat](https://github.com/leon/play-salat)/730 | MongoDB / Salat plugin for Play 2 [MOVED] |
| 204 | 68 | 2 | 2 years ago | [kafka-with-akka-streams-kafka-streams-tutorial](https://github.com/lightbend/kafka-with-akka-streams-kafka-streams-tutorial)/731 | Code samples for the Lightbend tutorial on writing microservices with Akka Streams, Kafka Streams, and Kafka |
| 203 | 129 | 2 | 5 years ago | [example-spark](https://github.com/mkuthan/example-spark)/732 | Spark, Spark Streaming and Spark SQL unit testing strategies |
| 203 | 16 | 6 | a month ago | [zio-saga](https://github.com/VladKopanev/zio-saga)/733 | Purely Functional Transaction Management In Scala With ZIO |
| 203 | 133 | 13 | 2 years ago | [online-auction-scala](https://github.com/lagom/online-auction-scala)/734 | None |
| 203 | 73 | 1 | 6 years ago | [spark-elastic](https://github.com/skrusche63/spark-elastic)/735 | This project combines Apache Spark and Elasticsearch to enable mining & prediction for Elasticsearch. |
| 203 | 62 | 0 | 7 years ago | [progfun-stats](https://github.com/heathermiller/progfun-stats)/736 | Visualize statistics from the MOOC "Functional Programming Principles in Scala" using Scala! |
| 202 | 20 | 6 | 30 days ago | [treelog](https://github.com/lancewalton/treelog)/737 | Allows logging in a tree structure so that comprehensive logging does not become incomprehensible |
| 202 | 109 | 13 | 4 years ago | [workbench-example-app](https://github.com/lihaoyi/workbench-example-app)/738 | An example application written in ScalaJS using scala-js-dom and scala-js-workbench |
| 202 | 25 | 9 | 7 years ago | [scalang](https://github.com/boundary/scalang)/739 | Scalang is a scala wrapper that makes it easy to write services that interface with erlang. |
| 202 | 34 | 23 | a month ago | [cats-retry](https://github.com/cb372/cats-retry)/740 | None |
| 202 | 24 | 6 | 1 year, 1 month ago | [jscala](https://github.com/nau/jscala)/741 | Scala macro that produces JavaScript from Scala code. |
| 202 | 74 | 17 | 14 days ago | [zio-kafka](https://github.com/zio/zio-kafka)/742 | A Kafka client for ZIO and ZIO Streams |
| 201 | 47 | 10 | a month ago | [sbt-ci-release](https://github.com/olafurpg/sbt-ci-release)/743 | sbt plugin to automate Sonatype releases from Travis CI |
| 201 | 104 | 1 | 1 year, 7 months ago | [learningSpark](https://github.com/daizikaikou/learningSpark)/744 | 学习spark写的scala代码，工具使用的是IDEA2017.1.6,欢迎star |
| 200 | 41 | 9 | 5 years ago | [bayes-scala](https://github.com/danielkorzekwa/bayes-scala)/745 | Bayesian Networks in Scala |
| 200 | 49 | 13 | 4 years ago | [sPDF](https://github.com/cloudify/sPDF)/746 | Create PDFs from Scala using plain old HTML and CSS. Uses wkhtmltopdf on the back-end which renders HTML using Webkit. |
| 200 | 111 | 14 | 3 years ago | [gbf-raidfinder](https://github.com/walfie/gbf-raidfinder)/747 | Granblue Raid Finder |
| 200 | 28 | 4 | 14 days ago | [sbt-dependency-check](https://github.com/albuch/sbt-dependency-check)/748 | SBT Plugin for OWASP DependencyCheck. Monitor your dependencies and report if there are any publicly known vulnerabilities (e.g. CVEs). :rainbow: |
| 199 | 6 | 24 | 1 year, 11 months ago | [goggles](https://github.com/kenbot/goggles)/749 | Pleasant, yet principled Scala optics DSL |
| 199 | 45 | 6 | 3 years ago | [scanns](https://github.com/LinkedInAttic/scanns)/750 | A scalable nearest neighbor search library in Apache Spark  |
| 199 | 66 | 4 | 3 months ago | [CookIM](https://github.com/cookeem/CookIM)/751 | Distributed web chat application base websocket built on akka.  |
| 199 | 48 | 21 | 2 months ago | [DynaML](https://github.com/tailhq/DynaML)/752 | Scala Library/REPL for Machine Learning Research |
| 197 | 26 | 25 | 4 months ago | [libra](https://github.com/to-ithaca/libra)/753 | A dimensional analysis library based on dependent types |
| 197 | 146 | 2 | 5 years ago | [SparkMLlibDeepLearn](https://github.com/sunbow1/SparkMLlibDeepLearn)/754 | SparkMLlibDeepLearn深度学习 |
| 196 | 22 | 1 | 4 years ago | [AndroidDemoIn4Languages](https://github.com/SidneyXu/AndroidDemoIn4Languages)/755 | Comparison among Java, Groovy, Scala, Kotlin in Android Development. |
| 196 | 10 | 97 | 8 days ago | [bosatsu](https://github.com/johnynek/bosatsu)/756 | A python-ish pure and total functional programming language |
| 196 | 18 | 5 | 1 year, 9 months ago | [lift](https://github.com/lift-project/lift)/757 | The Lift programming language and compiler |
| 196 | 65 | 5 | 5 years ago | [spark-hash](https://github.com/mrsqueeze/spark-hash)/758 | Locality Sensitive Hashing for Apache Spark |
| 196 | 19 | 17 | 4 years ago | [freek](https://github.com/ProjectSeptemberInc/freek)/759 | Freek, a freaky simple Free to combine your DSL seamlessly |
| 196 | 25 | 1 | 1 year, 6 months ago | [machinist](https://github.com/typelevel/machinist)/760 | Spire's macros for zero-cost operator enrichment |
| 196 | 37 | 4 | 3 years ago | [quiver](https://github.com/Verizon/quiver)/761 | A reasonable library for modeling multi-graphs in Scala |
| 195 | 27 | 5 | 3 years ago | [Full-Stack-Scala-Starter](https://github.com/Algomancer/Full-Stack-Scala-Starter)/762 | Play 2.5, ScalaJS, Binding.scala starter project. |
| 195 | 21 | 7 | 7 days ago | [delta-sharing](https://github.com/delta-io/delta-sharing)/763 | An open protocol for secure data sharing |
| 194 | 79 | 70 | a month ago | [play-ws](https://github.com/playframework/play-ws)/764 | Standalone Play WS, an async HTTP client with fluent API |
| 194 | 13 | 2 | 4 years ago | [metarest](https://github.com/pathikrit/metarest)/765 | Scala macros to generate RESTful Models |
| 194 | 76 | 5 | 2 years ago | [play-scala-websocket-example](https://github.com/playframework/play-scala-websocket-example)/766 | Example Play Scala application showing WebSocket use with Akka actors |
| 193 | 32 | 3 | 2 years ago | [validation](https://github.com/jto/validation)/767 | validation api extracted from play |
| 193 | 51 | 4 | 4 years ago | [shelldroid](https://github.com/wuhx/shelldroid)/768 | Create Virtual Environment for your Android Apps |
| 193 | 92 | 1 | 1 year, 6 months ago | [A-community-detect-System-based-on-GraphX](https://github.com/cld378632668/A-community-detect-System-based-on-GraphX)/769 | 图计算和图存储在国内兴起于2012年，此项目为我的本科毕业设计，本人现在TOP厂商工作，工作要求不方便公开透露公司，曾研究图数据库2年，实验室数据库技术从2000年以前开始积累，对外低调，如有工作需要可以推荐！ |
| 193 | 8 | 17 | a month ago | [typerighter](https://github.com/guardian/typerighter)/770 | Even if you’re the right typer, couldn’t hurt to use Typerighter! |
| 193 | 11 | 8 | 2 months ago | [sbt-errors-summary](https://github.com/Duhemm/sbt-errors-summary)/771 | sbt plugin to show a summary of compilation messages. |
| 192 | 51 | 86 | 16 hours ago | [nussknacker](https://github.com/TouK/nussknacker)/772 | Process authoring tool for Apache Flink |
| 192 | 14 | 15 | 6 months ago | [exodus](https://github.com/wix/exodus)/773 | Easily migrate your JVM code from Maven to Bazel |
| 192 | 22 | 38 | 1 year, 5 months ago | [Compute.scala](https://github.com/ThoughtWorksInc/Compute.scala)/774 | Scientific computing with N-dimensional arrays |
| 192 | 60 | 24 | 3 years ago | [drunken-data-quality](https://github.com/FRosner/drunken-data-quality)/775 | Spark package for checking data quality |
| 191 | 84 | 25 | 3 years ago | [spark-rabbitmq](https://github.com/Stratio/spark-rabbitmq)/776 | RabbitMQ Spark Streaming receiver |
| 191 | 43 | 4 | 10 years ago | [scala-json](https://github.com/stevej/scala-json)/777 | Scala JSON toolkit. Originally from the Odersky "Stairway" Book, tightened up and tests added by Twitter, Inc. |
| 191 | 50 | 37 | 15 days ago | [fs2-kafka](https://github.com/fd4s/fs2-kafka)/778 | Functional Kafka Streams for Scala |
| 191 | 54 | 23 | 17 days ago | [scalismo](https://github.com/unibas-gravis/scalismo)/779 | Scalable Image Analysis and Shape Modelling |
| 191 | 50 | 6 | 3 years ago | [kafka-streams-scala](https://github.com/lightbend/kafka-streams-scala)/780 | Thin Scala wrapper around Kafka Streams Java API |
| 191 | 34 | 29 | 18 hours ago | [sjsonnet](https://github.com/databricks/sjsonnet)/781 | None |
| 190 | 77 | 2 | 8 months ago | [functional-design](https://github.com/jdegoes/functional-design)/782 | Exercises for the course 'Functional Design by John A. De Goes |
| 190 | 182 | 8 | 3 years ago | [txbits](https://github.com/txbits/txbits)/783 | DISCLAIMER: TxBits is not affiliated with any active exchanges. Use them at your own risk and beware of any that violate the AGPL license terms by not releasing their source code as required. |
| 190 | 29 | 19 | a month ago | [youi](https://github.com/outr/youi)/784 | Next generation user interface and application development in Scala and Scala.js for web, mobile, and desktop. |
| 189 | 28 | 6 | 3 months ago | [remora](https://github.com/zalando-incubator/remora)/785 | Kafka consumer lag-checking application for monitoring, written in Scala and Akka HTTP; a wrap around the Kafka consumer group command. Integrations with Cloudwatch and Datadog. Authentication recently added |
| 189 | 31 | 0 | 7 years ago | [eventsourced-example](https://github.com/eligosource/eventsourced-example)/786 | A Scala web application demonstrating event-sourcing best practices |
| 189 | 28 | 29 | 2 months ago | [Potigol](https://github.com/potigol/Potigol)/787 | Linguagem Potigol - Linguagem de programação funcional moderna para iniciantes - A Functional Programming Language for Beginners |
| 189 | 51 | 9 | 2 years ago | [knobs](https://github.com/Verizon/knobs)/788 | A reasonable configuration library for Scala |
| 189 | 62 | 16 | 5 years ago | [akka-kafka](https://github.com/sclasen/akka-kafka)/789 | None |
| 188 | 27 | 43 | an hour ago | [otoroshi](https://github.com/MAIF/otoroshi)/790 | Lightweight api management on top of a modern http reverse proxy |
| 188 | 22 | 3 | 7 years ago | [expecty](https://github.com/pniederw/expecty)/791 | Power assertions (as known from Groovy and Spock) for the Scala language. |
| 188 | 39 | 63 | 3 years ago | [rapture](https://github.com/propensive/rapture)/792 | Rapture |
| 188 | 37 | 6 | 2 years ago | [scheduler](https://github.com/PagerDuty/scheduler)/793 | A Scala library for scheduling arbitrary code to run at an arbitrary time. |
| 188 | 41 | 40 | a month ago | [plotly-scala](https://github.com/alexarchambault/plotly-scala)/794 | Scala bindings for plotly.js |
| 187 | 40 | 2 | 1 year, 9 days ago | [parametric-face-image-generator](https://github.com/unibas-gravis/parametric-face-image-generator)/795 | Generate fully parametric face images from the Basel Face Model 2017 |
| 187 | 20 | 11 | 19 hours ago | [iteratee](https://github.com/travisbrown/iteratee)/796 | Iteratees for Cats |
| 187 | 16 | 0 | 6 years ago | [Structures](https://github.com/mpilquist/Structures)/797 | Functional type classes for Scala |
| 187 | 52 | 21 | 11 months ago | [XSQL](https://github.com/Qihoo360/XSQL)/798 | Unified SQL Analytics Engine Based on SparkSQL |
| 186 | 57 | 7 | 5 years ago | [ficus](https://github.com/ceedubs/ficus)/799 | Scala-friendly companion to Typesafe config - moved to https://github.com/iheartradio/ficus |
| 186 | 38 | 7 | 3 years ago | [Hasher](https://github.com/Nycto/Hasher)/800 | A small Scala library for easily generating hashes (md5, sha1, sha256, sha512, crc32, bcrypt, hmacs, pbkdf2) |
| 186 | 43 | 9 | 10 months ago | [reactive-rabbit](https://github.com/ScalaConsultants/reactive-rabbit)/801 | Reactive Streams driver for AMQP protocol. Powered by RabbitMQ library. |
| 186 | 20 | 9 | 5 years ago | [smoke](https://github.com/mDialog/smoke)/802 | Simple, asynchronous HTTP using Scala. |
| 186 | 42 | 63 | 2 years ago | [iglu](https://github.com/snowplow/iglu)/803 | A schema registry system |
| 185 | 16 | 10 | 8 days ago | [zio-magic](https://github.com/kitlangton/zio-magic)/804 | Construct ZLayers automagically (w/ helpful compile-time errors) |
| 185 | 30 | 1 | 4 years ago | [akka-sse](https://github.com/hseeberger/akka-sse)/805 | Akka HTTP now includes Akka SSE, this project is at EOL |
| 185 | 7 | 3 | 4 days ago | [scala-gopher](https://github.com/rssh/scala-gopher)/806 | Implementation of CSP constructions (Communication Sequence Process, i.e. go-like channels) in scala |
| 185 | 34 | 44 | 1 year, 4 months ago | [play-json-extensions](https://github.com/xdotai/play-json-extensions)/807 | +22 field case class formatter and more for play-json |
| 185 | 27 | 4 | a month ago | [sbt-web-scalajs](https://github.com/vmunier/sbt-web-scalajs)/808 | SBT plugin to use Scala.js along with any sbt-web server. |
| 185 | 25 | 7 | 5 months ago | [mockedstreams](https://github.com/jpzk/mockedstreams)/809 | Scala DSL for Unit-Testing Processing Topologies in Kafka Streams |
| 184 | 116 | 1 | 3 years ago | [spark-streaming-with-kafka](https://github.com/spirom/spark-streaming-with-kafka)/810 | Self-contained examples of Apache Spark streaming integrated with Apache Kafka. |
| 184 | 66 | 2 | 4 years ago | [reactive-web-applications](https://github.com/manuelbernhardt/reactive-web-applications)/811 | Sources of the sample applications of the Reactive Web Application book |
| 184 | 96 | 6 | 2 years ago | [kraps-rpc](https://github.com/neoremind/kraps-rpc)/812 | A RPC framework leveraging Spark RPC module |
| 184 | 46 | 189 | 2 days ago | [nexus](https://github.com/BlueBrain/nexus)/813 | Blue Brain Nexus - A knowledge graph for data-driven science |
| 183 | 61 | 34 | 4 months ago | [lojinha](https://github.com/jcranky/lojinha)/814 | A small store application, developed using Play 2 and Akka 2. At least temporary archived, get in touch if you want to contribute and I'll gladly un-archive it. |
| 183 | 94 | 47 | 1 year, 11 months ago | [spark-atlas-connector](https://github.com/hortonworks-spark/spark-atlas-connector)/815 | A Spark Atlas connector to track data lineage in Apache Atlas |
| 183 | 39 | 1 | 3 months ago | [play2-hands-on](https://github.com/bizreach-inc/play2-hands-on)/816 | Play2 + Slick / ScalikeJDBCを使ってWebアプリケーションを作成するハンズオンです。 |
| 183 | 26 | 14 | 1 year, 2 months ago | [scala-forklift](https://github.com/lastland/scala-forklift)/817 | Type-safe data migration tool for Slick, Git and beyond. |
| 183 | 74 | 11 | 5 years ago | [spark-streamingsql](https://github.com/Intel-bigdata/spark-streamingsql)/818 | Manipulate Spark-streaming by SQL |
| 183 | 52 | 1 | 6 years ago | [akka-dddd-template](https://github.com/boldradius/akka-dddd-template)/819 | Akka DDDD template using CQRS/ES with a Distributed Domain |
| 183 | 19 | 11 | 22 days ago | [ScalaCollider](https://github.com/Sciss/ScalaCollider)/820 | A Scala sound synthesis library based on SuperCollider. |
| 182 | 22 | 0 | 5 years ago | [store](https://github.com/Treode/store)/821 | The DB that's replicated, sharded and transactional. |
| 181 | 32 | 10 | 7 years ago | [browse](https://github.com/harrah/browse)/822 | A Scala source code browser |
| 181 | 31 | 14 | a day ago | [build-server-protocol](https://github.com/build-server-protocol/build-server-protocol)/823 | Protocol for IDEs and build tools to communicate about compile, run, test, debug and more. |
| 181 | 55 | 63 | 3 days ago | [silk](https://github.com/silk-framework/silk)/824 | Silk Linked Data Integration Framework |
| 181 | 54 | 0 | 4 months ago | [sbt-bintray](https://github.com/sbt/sbt-bintray)/825 | fresh packages delivered from your sbt console |
| 181 | 12 | 17 | 7 months ago | [squid](https://github.com/epfldata/squid)/826 | Squid – type-safe metaprogramming and compilation framework for Scala |
| 181 | 21 | 6 | a month ago | [fansi](https://github.com/com-lihaoyi/fansi)/827 | Scala/Scala.js library for manipulating Fancy Ansi colored strings |
| 181 | 175 | 3 | 3 months ago | [spark-scala-examples](https://github.com/spark-examples/spark-scala-examples)/828 | This project provides Apache Spark SQL, RDD, DataFrame and Dataset examples in Scala language |
| 181 | 20 | 0 | 2 years ago | [nine-cards-v2](https://github.com/47degrees/nine-cards-v2)/829 | An Open Source Android Launcher built with Scala on Android |
| 181 | 28 | 16 | a month ago | [play-json-derived-codecs](https://github.com/julienrf/play-json-derived-codecs)/830 | None |
| 180 | 56 | 3 | 4 years ago | [effective_akka](https://github.com/jamie-allen/effective_akka)/831 | Source code from my Effective Akka work |
| 180 | 60 | 2 | 9 years ago | [scala-koans](https://github.com/rubbish/scala-koans)/832 | The Scala Koans |
| 180 | 21 | 15 | 7 years ago | [scalalogging](https://github.com/typesafehub/scalalogging)/833 | Convenient and performant logging in Scala |
| 179 | 32 | 25 | a month ago | [zio-keeper](https://github.com/zio/zio-keeper)/834 | A ZIO library for building distributed systems |
| 179 | 39 | 73 | 3 months ago | [fgbio](https://github.com/fulcrumgenomics/fgbio)/835 | Tools for working with genomic and high throughput sequencing data. |
| 179 | 18 | 12 | 2 years ago | [diff](https://github.com/xdotai/diff)/836 | Visually compare Scala data structures with out of the box support for arbitrary case classes. |
| 179 | 27 | 8 | 17 hours ago | [sbt-crossproject](https://github.com/portable-scala/sbt-crossproject)/837 | Cross-platform compilation support for sbt. |
| 179 | 124 | 0 | 9 months ago | [allaboutscala](https://github.com/nadimbahadoor/allaboutscala)/838 | Source code for www.allaboutscala.com tutorials |
| 178 | 82 | 0 | 2 months ago | [sparkstreaming](https://github.com/LinMingQiang/sparkstreaming)/839 | :boom: :rocket:  封装sparkstreaming动态调节batch time(有数据就执行计算)；:rocket:  支持运行过程中增删topic；:rocket:  封装sparkstreaming 1.6 - kafka 010 用以支持 SSL。 |
| 178 | 27 | 12 | 3 days ago | [sbt-doctest](https://github.com/tkawachi/sbt-doctest)/840 | Doctest for scala |
| 178 | 13 | 6 | 28 days ago | [scala-typed-holes](https://github.com/cb372/scala-typed-holes)/841 | None |
| 178 | 19 | 2 | a month ago | [lunatech-scala-2-to-scala3-course](https://github.com/lunatech-labs/lunatech-scala-2-to-scala3-course)/842 | Lunatech course - "Moving forward from Scala 2 to Scala 3" |
| 177 | 39 | 11 | 1 year, 6 months ago | [berkeley-entity](https://github.com/gregdurrett/berkeley-entity)/843 | The Berkeley Entity Resolution System jointly solves the problems of named entity recognition, coreference resolution, and entity linking with a feature-rich discriminative model. |
| 177 | 49 | 10 | a month ago | [eggroll](https://github.com/WeBankFinTech/eggroll)/844 | A Simple High Performance Computing Framework for [Federated] Machine Learning |
| 177 | 33 | 13 | 3 days ago | [pulsar4s](https://github.com/sksamuel/pulsar4s)/845 | Idiomatic, typesafe, and reactive Scala client for Apache Pulsar |
| 177 | 24 | 10 | 6 years ago | [scala-blitz](https://github.com/scala-blitz/scala-blitz)/846 | Scala framework for efficient sequential and data-parallel collections - |
| 177 | 108 | 2 | 1 year, 6 months ago | [functional-scala](https://github.com/jdegoes/functional-scala)/847 | The repository for the Functional Scala workshop. |
| 177 | 19 | 7 | 3 years ago | [scuruto](https://github.com/atware/scuruto)/848 | An internal knowledge sharing app |
| 177 | 24 | 2 | 4 years ago | [stateless-future](https://github.com/qifun/stateless-future)/849 | Asynchronous programming in fully featured Scala syntax. |
| 176 | 68 | 11 | a month ago | [spark-kafka-writer](https://github.com/BenFradet/spark-kafka-writer)/850 | Write your Spark data to Kafka seamlessly |
| 176 | 10 | 10 | 6 years ago | [adept](https://github.com/adept-dm/adept)/851 | Adept - the predictable dependency management system  |
| 176 | 105 | 18 | 21 days ago | [slack-scala-client](https://github.com/slack-scala-client/slack-scala-client)/852 | A scala library for interacting with the slack api and real time messaging interface |
| 175 | 70 | 2 | 2 years ago | [spark-scala-maven-2.4.0](https://github.com/opensourceteams/spark-scala-maven-2.4.0)/853 | Spark2.4.0 学习笔记分享 |
| 175 | 45 | 4 | 7 months ago | [scrypto](https://github.com/input-output-hk/scrypto)/854 | Cryptographic primitives for Scala |
| 175 | 21 | 20 | 1 year, 10 months ago | [iota](https://github.com/frees-io/iota)/855 | Fast [co]product types with a clean syntax. For Cats & Scalaz. |
| 175 | 56 | 35 | 7 months ago | [creative-scala](https://github.com/creativescala/creative-scala)/856 | Quick, graphical, fun introduction to programming in Scala. |
| 174 | 35 | 0 | 1 year, 8 months ago | [s4](https://github.com/jacobus/s4)/857 | Spray Slick Starter Stack |
| 174 | 23 | 24 | 5 months ago | [hammock](https://github.com/pepegar/hammock)/858 | Purely functional HTTP client |
| 174 | 20 | 13 | 1 year, 6 months ago | [parseback](https://github.com/djspiewak/parseback)/859 | A Scala implementation of parsing with derivatives |
| 174 | 22 | 8 | 3 years ago | [swave](https://github.com/sirthias/swave)/860 | A lightweight Reactive Streams Infrastructure Toolkit for Scala. |
| 174 | 113 | 91 | 14 days ago | [azure-cosmosdb-spark](https://github.com/Azure/azure-cosmosdb-spark)/861 | Apache Spark Connector for Azure Cosmos DB |
| 174 | 36 | 3 | 25 days ago | [minitest](https://github.com/monix/minitest)/862 | The super light testing library for Scala and Scala.js |
| 174 | 67 | 9 | 1 year, 10 months ago | [Spark-2.3.1](https://github.com/CrestOfWave/Spark-2.3.1)/863 | Spark-2.3.1源码解读 |
| 174 | 88 | 5 | 6 years ago | [reactivemongo-demo-app](https://github.com/sgodbillon/reactivemongo-demo-app)/864 | Full web application built upon Play 2.0 and ReactiveMongo |
| 174 | 7 | 3 | 5 years ago | [effectful](https://github.com/pelotom/effectful)/865 | A syntax for type-safe effectful computations in Scala |
| 174 | 15 | 1 | 7 years ago | [scala-workflow](https://github.com/aztek/scala-workflow)/866 | Boilerplate-free syntax for computations with effects |
| 174 | 74 | 1 | 8 months ago | [spark-iforest](https://github.com/titicaca/spark-iforest)/867 | Isolation Forest on Spark |
| 174 | 8 | 9 | 4 years ago | [thyme](https://github.com/Ichoran/thyme)/868 | Thyme is a microbenchmark utility for Scala.  It includes Parsley, a (simple) local profiling tool. |
| 174 | 14 | 18 | 3 days ago | [millfork](https://github.com/KarolS/millfork)/869 | Millfork: a middle-level programming language targeting 6502- and Z80-based microcomputers and home consoles |
| 173 | 72 | 32 | 2 months ago | [akka-stream-contrib](https://github.com/akka/akka-stream-contrib)/870 | Add-ons to Akka Stream |
| 173 | 149 | 5 | 1 year, 1 month ago | [play-silhouette-seed](https://github.com/mohiva/play-silhouette-seed)/871 | The Silhouette Seed project is an Activator template which shows how Silhouette can be implemented in a Play Framework application. |
| 172 | 16 | 13 | 5 days ago | [elastiknn](https://github.com/alexklibisz/elastiknn)/872 | Elasticsearch plugin for nearest neighbor search. Store vectors and run similarity search using exact and approximate algorithms. |
| 172 | 15 | 14 | 4 months ago | [shims](https://github.com/djspiewak/shims)/873 | Seamless interop layer between cats and scalaz |
| 171 | 78 | 28 | 2 years ago | [zen](https://github.com/cloudml/zen)/874 | Zen aims to provide the largest scale and the most efficient machine learning platform on top of Spark, including but not limited to logistic regression, latent dirichilet allocation, factorization machines and DNN. |
| 171 | 52 | 31 | 4 months ago | [mbknor-jackson-jsonSchema](https://github.com/mbknor/mbknor-jackson-jsonSchema)/875 | Generate JSON Schema with Polymorphism using Jackson annotations |
| 171 | 15 | 4 | 21 hours ago | [scala-server-toolkit](https://github.com/avast/scala-server-toolkit)/876 | Functional programming toolkit for building server applications in Scala. |
| 171 | 12 | 0 | 3 years ago | [sentinel](https://github.com/gideondk/sentinel)/877 | Boilerplate for creating reactive TCP clients / servers on Akka Streams |
| 170 | 69 | 4 | 2 years ago | [Spark-Structured-Streaming-Examples](https://github.com/polomarcus/Spark-Structured-Streaming-Examples)/878 | Spark Structured Streaming / Kafka / Cassandra / Elastic  |
| 170 | 27 | 2 | 1 year, 4 months ago | [Spark-The-Definitive-Guide-Chinese-Traslation-2019](https://github.com/AlanTur1ng/Spark-The-Definitive-Guide-Chinese-Traslation-2019)/879 | Spark权威指南( Spark The Definitive Guide) -中文版翻译项目 |
| 170 | 45 | 27 | 2 years ago | [jamr](https://github.com/jflanigan/jamr)/880 | JAMR Parser and Generator |
| 170 | 53 | 8 | 1 year, 7 months ago | [crossdata](https://github.com/Stratio/crossdata)/881 | DISCONTINUED - Easy access to big things. Library for Apache Spark extending and improving its capabilities |
| 169 | 108 | 0 | 3 years ago | [scala-js-example-app](https://github.com/sjrd/scala-js-example-app)/882 | Example application built with Scala.js |
| 169 | 38 | 12 | 9 years ago | [anti-xml](https://github.com/djspiewak/anti-xml)/883 | The scala.xml library has some very annoying issues.  Time for a clean-room replacement! |
| 169 | 71 | 1 | 1 year, 7 months ago | [zio-workshop](https://github.com/jdegoes/zio-workshop)/884 | Real World Functional Programming with ZIO |
| 168 | 29 | 16 | 1 year, 8 months ago | [sbt-docker-compose](https://github.com/Tapad/sbt-docker-compose)/885 | Integrates Docker Compose functionality into sbt |
| 168 | 11 | 1 | 6 years ago | [sauron](https://github.com/pathikrit/sauron)/886 | Yet another Scala lens macro |
| 168 | 18 | 24 | a month ago | [nyaya](https://github.com/japgolly/nyaya)/887 | Random Data Generation and/or Property Testing in Scala & Scala.JS. |
| 168 | 24 | 8 | 2 months ago | [random-data-generator](https://github.com/DanielaSfregola/random-data-generator)/888 | Random generator of test data in Scala based on Scalacheck and Shapeless |
| 168 | 47 | 35 | 7 days ago | [glow](https://github.com/projectglow/glow)/889 | An open-source toolkit for large-scale genomic analysis |
| 168 | 32 | 24 | 1 year, 5 months ago | [dana](https://github.com/bu-icsg/dana)/890 | Dynamically Allocated Neural Network Accelerator for the RISC-V Rocket Microprocessor in Chisel |
| 167 | 62 | 1 | 1 year, 5 months ago | [metrics-play](https://github.com/kenshoo/metrics-play)/891 | Metrics module for Play2 |
| 167 | 9 | 2 | 5 years ago | [bond](https://github.com/fwbrasil/bond)/892 | Type-level validation for Scala |
| 167 | 65 | 24 | 3 years ago | [glint](https://github.com/rjagerman/glint)/893 | Glint: High performance scala parameter server |
| 167 | 62 | 41 | 3 years ago | [GPUEnabler](https://github.com/IBMSparkGPU/GPUEnabler)/894 | Provides GPU awareness to Spark, Contact: @kmadhugit and @kiszk |
| 167 | 70 | 10 | 3 years ago | [scalajs-react-components](https://github.com/chandu0101/scalajs-react-components)/895 | Reusable scalajs-react components |
| 167 | 57 | 7 | 5 months ago | [News_recommend](https://github.com/luochana/News_recommend)/896 | 基于Spark的新闻推荐系统，包含爬虫项目、web网站以及spark推荐系统 |
| 166 | 218 | 0 | a month ago | [gatling-maven-plugin-demo](https://github.com/gatling/gatling-maven-plugin-demo)/897 | Showcase of the Gatling Plugin for Maven |
| 166 | 64 | 0 | 4 years ago | [PlayBasics](https://github.com/mariussoutier/PlayBasics)/898 | Example code for my tutorial series about Play Framework 2.x |
| 166 | 71 | 21 | a month ago | [sbt-site](https://github.com/sbt/sbt-site)/899 | Site generation for sbt |
| 166 | 105 | 1 | 4 years ago | [SparkDemo](https://github.com/baifendian/SparkDemo)/900 | spark example code, has some production practice. |
| 166 | 38 | 28 | 7 years ago | [circumflex](https://github.com/inca/circumflex)/901 | [UNMAINTAINED] Circumflex — lightweight Scala-based Web application framework and ORM |
| 165 | 21 | 3 | a month ago | [configs](https://github.com/kxbmap/configs)/902 | Scala wrapper for Typesafe config |
| 165 | 36 | 5 | 18 days ago | [sbt-protobuf](https://github.com/sbt/sbt-protobuf)/903 | sbt plugin for compiling protobuf files |
| 165 | 30 | 11 | Unknown | [PureCSV](https://github.com/melrief/PureCSV)/904 | A type-safe and boilerplate-free CSV library for Scala |
| 165 | 14 | 12 | Unknown | [relate](https://github.com/lucidsoftware/relate)/905 | Performant database access in Scala |
| 165 | 41 | 2 | Unknown | [MachineLearning](https://github.com/Xyclade/MachineLearning)/906 | Literature Study |
| 165 | 42 | 6 | Unknown | [cosine-lsh-join-spark](https://github.com/soundcloud/cosine-lsh-join-spark)/907 | Approximate Nearest Neighbors in Spark |
| 165 | 50 | 11 | Unknown | [sbt-header](https://github.com/sbt/sbt-header)/908 | sbt-header is an sbt plugin for creating file headers, e.g. copyright headers |
| 165 | 33 | 2 | Unknown | [play-api-rest-seed](https://github.com/adrianhurt/play-api-rest-seed)/909 | This Play 2.5 template tries to be a skeleton for a simple Json API REST. Please, check the readme file for more details. |
| 165 | 33 | 11 | Unknown | [flyway-play](https://github.com/flyway/flyway-play)/910 | Play modules for Flyway |
| 165 | 38 | 20 | Unknown | [zio-grpc](https://github.com/scalapb/zio-grpc)/911 | ScalaPB meets ZIO: write purely functional gRPC services and clients using ZIO |
| 165 | 29 | 3 | Unknown | [sangria-subscriptions-example](https://github.com/sangria-graphql/sangria-subscriptions-example)/912 | An example of GraphQL akka-http server with stream-based subscriptions |
| 164 | 37 | 7 | Unknown | [ascii-graphs](https://github.com/mdr/ascii-graphs)/913 | Parse ASCII art diagrams of graphs (nodes and edges) |
| 164 | 40 | 4 | Unknown | [akka-cluster-custom-downing](https://github.com/TanUkkii007/akka-cluster-custom-downing)/914 | akka-cluster-custom-downing provides configurable auto-downing strategy you can choose based on your distributed application design. |
| 164 | 35 | 240 | Unknown | [CM-Well](https://github.com/CM-Well/CM-Well)/915 | CM-Well - a data warehouse for your knowledge graph |
| 164 | 11 | 5 | Unknown | [typedapi](https://github.com/pheymann/typedapi)/916 | Build your web API on the type level. |
| 163 | 20 | 17 | Unknown | [coroutines](https://github.com/storm-enroute/coroutines)/917 | Scala coroutines implementation. |
| 163 | 22 | 9 | Unknown | [log4s](https://github.com/Log4s/log4s)/918 | High-performance SLF4J wrapper for Scala. |
| 162 | 12 | 0 | Unknown | [ip4s](https://github.com/Comcast/ip4s)/919 | Defines immutable, safe data structures for describing IP addresses, multicast joins, socket addresses and similar IP & network related data types |
| 162 | 13 | 0 | Unknown | [Ctries](https://github.com/axel22/Ctries)/920 | Scala implementation of the Ctrie datastructure. |
| 162 | 92 | 21 | Unknown | [amqp-client](https://github.com/sstone/amqp-client)/921 | [THIS PROJECT HAS BEEN ARCHIVED AND IS NO LONGER MAINTAINED] Simple fault-tolerant AMQP client written in Scala and based on Akka and the RabbitMQ java client |
| 162 | 41 | 11 | Unknown | [poi.scala](https://github.com/folone/poi.scala)/922 | Excel meets scalaz |
| 162 | 40 | 17 | Unknown | [lookup](https://github.com/dbpedia/lookup)/923 | Outputs a list of ranked DBpedia resources for a search string. |
| 162 | 37 | 23 | Unknown | [gemmini](https://github.com/ucb-bar/gemmini)/924 | Berkeley's Systolic Array Generator |
| 161 | 102 | 42 | Unknown | [avrohugger](https://github.com/julianpeeters/avrohugger)/925 | Generate Scala case class definitions from Avro schemas |
| 161 | 19 | 16 | Unknown | [slickless](https://github.com/underscoreio/slickless)/926 | Support for shapeless HLists/Generics in Slick. |
| 161 | 24 | 6 | 5 years ago | [kafka-rx](https://github.com/cjdev/kafka-rx)/927 | reactive kafka client |
| 161 | 19 | 5 | 3 years ago | [innkeeper](https://github.com/zalando/innkeeper)/928 | Simple route management API for Skipper |
| 161 | 74 | 22 | 1 year, 5 months ago | [play2-memcached](https://github.com/mumoshu/play2-memcached)/929 | A memcached plugin for Play 2.x |
| 161 | 25 | 2 | 1 year, 9 months ago | [basel-face-pipeline](https://github.com/unibas-gravis/basel-face-pipeline)/930 | None |
| 161 | 50 | 11 | 3 years ago | [dbscan-on-spark](https://github.com/irvingc/dbscan-on-spark)/931 | An implementation of DBSCAN runing on top of Apache Spark |
| 160 | 63 | 12 | 4 years ago | [squant](https://github.com/eryk/squant)/932 | SQuant是使用scala语言编写的量化开发工具箱，提供开箱即用的A股股票数据和外汇数据（docker镜像），以及高效的回测框架与交易模块。方便Java/Scala爱好者进行量化投资研究。 QQ群：281599099，微信公众号：Python量化交易实战。对，我已经转python了。。。 |
| 160 | 28 | 5 | a month ago | [fs2-grpc](https://github.com/typelevel/fs2-grpc)/933 | gRPC implementation for FS2/cats-effect |
| 160 | 39 | 11 | 23 days ago | [spoiwo](https://github.com/norbert-radyk/spoiwo)/934 | Scala POI Wrapper for the spreadsheet generation in Excel: |
| 160 | 27 | 8 | 10 years ago | [configgy](https://github.com/robey/configgy)/935 | simple config and logging setup for scala |
| 160 | 19 | 20 | 1 year, 5 months ago | [schemaz](https://github.com/spartanz/schemaz)/936 | A purely-functional library for defining type-safe schemas for algebraic data types, providing free generators, SQL queries, JSON codecs, binary codecs, and migration from this schema definition |
| 159 | 28 | 17 | 3 months ago | [scala-ts](https://github.com/scala-ts/scala-ts)/937 | :wrench: Scala to TypeScript code generator |
| 159 | 20 | 3 | 4 months ago | [delta](https://github.com/flowcommerce/delta)/938 | 🔼 |
| 159 | 73 | 16 | 6 years ago | [slick-examples](https://github.com/slick/slick-examples)/939 | A sample project for getting started with Slick |
| 159 | 13 | 19 | 2 years ago | [scala-records](https://github.com/scala-records/scala-records)/940 | Labeled records for Scala based on structural refinement types and macros. |
| 159 | 19 | 7 | 2 months ago | [tapl-scala](https://github.com/ilya-klyuchnikov/tapl-scala)/941 | Code from the book "Types and Programming Languages" in Scala |
| 159 | 22 | 2 | 3 years ago | [scage](https://github.com/dunnololda/scage)/942 | game engine written in Scala |
| 159 | 21 | 0 | 7 years ago | [SprayLearning](https://github.com/karthik20522/SprayLearning)/943 | Learning |
| 158 | 28 | 2 | 17 days ago | [paiges](https://github.com/typelevel/paiges)/944 | an implementation of Wadler's a prettier printer |
| 157 | 18 | 8 | 8 years ago | [spray-can](https://github.com/spray/spray-can)/945 | A low-overhead, high-performance, fully async HTTP 1.1 server and client library implemented entirely in Scala on top of Akka |
| 157 | 10 | 5 | 2 months ago | [kentuckymule](https://github.com/gkossakowski/kentuckymule)/946 | Limits of Scala typechecking speed |
| 157 | 139 | 17 | 2 days ago | [azure-event-hubs-spark](https://github.com/Azure/azure-event-hubs-spark)/947 | Enabling Continuous Data Processing with Apache Spark and Azure Event Hubs |
| 156 | 56 | 18 | a month ago | [paradise](https://github.com/scalamacros/paradise)/948 | (No longer actively maintained.) |
| 156 | 27 | 36 | 13 days ago | [abandon](https://github.com/hrj/abandon)/949 | :relieved: Simple and Robust Accounting |
| 156 | 110 | 6 | 3 months ago | [hbase-connectors](https://github.com/apache/hbase-connectors)/950 | Apache HBase Connectors |
| 156 | 18 | 9 | 20 hours ago | [sup](https://github.com/kubukoz/sup)/951 | Composable, purely functional healthchecks in Scala. |
| 156 | 79 | 2 | 2 years ago | [LIBBLE-Spark](https://github.com/LIBBLE/LIBBLE-Spark)/952 | None |
| 155 | 38 | 0 | 1 year, 20 days ago | [albedo](https://github.com/vinta/albedo)/953 | A recommender system for discovering GitHub repos, built with Apache Spark |
| 155 | 51 | 64 | 6 days ago | [csv-validator](https://github.com/digital-preservation/csv-validator)/954 | CSV Validation Tool and API (CSV Schema RI) |
| 155 | 28 | 4 | 2 years ago | [nodejs](https://github.com/scalajs-io/nodejs)/955 | This project provides Scala.js type-safe bindings for Node.js (current) v8.7.0 and LTS v6.11.4  APIs. The platform supports MEAN (MongoDB, Express, AngularJs, NodeJS), Cassandra, MySQL and many other npm projects. |
| 155 | 38 | 9 | 6 years ago | [play-autosource](https://github.com/mandubian/play-autosource)/956 | Play Autosource : 1mn REST/Crud/Async/Typesafe Datasource for Play Framework |
| 155 | 122 | 70 | 5 years ago | [training](https://github.com/amplab/training)/957 | Training materials for Strata, AMP Camp, etc |
| 155 | 35 | 1 | 2 years ago | [play-scala-isolated-slick-example](https://github.com/playframework/play-scala-isolated-slick-example)/958 | Example Play Slick Project |
| 155 | 59 | 3 | 4 years ago | [MLI](https://github.com/amplab/MLI)/959 | An API for Distributed Machine Learning |
| 155 | 33 | 108 | 30 days ago | [rasterframes](https://github.com/locationtech/rasterframes)/960 | Geospatial Raster support for Spark DataFrames |
| 154 | 28 | 15 | 2 years ago | [shapenet-viewer](https://github.com/ShapeNet/shapenet-viewer)/961 | ShapeNet Viewer |
| 154 | 21 | 15 | 5 years ago | [hammersmith](https://github.com/bwmcadams/hammersmith)/962 | Pure asynchronous MongoDB Driver for Scala. |
| 154 | 59 | 75 | 21 days ago | [scaladex](https://github.com/scalacenter/scaladex)/963 | The Scala Package Index |
| 154 | 20 | 10 | 23 days ago | [singleton-ops](https://github.com/fthomas/singleton-ops)/964 | Operations for primitive and String singleton types |
| 154 | 8 | 5 | 4 days ago | [kaleidoscope](https://github.com/propensive/kaleidoscope)/965 | Statically-checked inline matching on regular expressions |
| 154 | 18 | 16 | 4 years ago | [octoparts](https://github.com/m3dev/octoparts)/966 | Octoparts, the backend services aggregator |
| 154 | 2 | 19 | 6 months ago | [scala-graal](https://github.com/japgolly/scala-graal)/967 | Make usage of Graal features easy and safe from Scala. Also features Scala-based React SSR. |
| 154 | 25 | 18 | 1 year, 2 months ago | [neo-sbt-scalafmt](https://github.com/lucidsoftware/neo-sbt-scalafmt)/968 | Scalafmt SBT plugin |
| 153 | 37 | 3 | 4 months ago | [play-redis](https://github.com/KarelCemus/play-redis)/969 | Play framework 2 cache plugin as an adapter to redis-server |
| 153 | 12 | 7 | 16 days ago | [sbt-native-image](https://github.com/scalameta/sbt-native-image)/970 | Plugin to generate native-image binaries with sbt |
| 153 | 14 | 30 | 4 years ago | [troy](https://github.com/schemasafe/troy)/971 | Type-safe and Schema-safe Scala wrapper for Cassandra driver |
| 153 | 19 | 4 | 8 years ago | [macrocosm](https://github.com/retronym/macrocosm)/972 | Exploration of Scala macros |
| 153 | 16 | 1 | 3 years ago | [scredis](https://github.com/Livestream/scredis)/973 | Non-blocking, ultra-fast Scala Redis client built on top of Akka IO, used in production at Livestream |
| 153 | 17 | 2 | 13 days ago | [delight](https://github.com/datamechanics/delight)/974 | A Spark UI and Spark History Server alternative with CPU and Memory metrics! Delight is free, cross-platform, and open-source. |
| 153 | 126 | 0 | 6 years ago | [SparkLearning](https://github.com/JerryLead/SparkLearning)/975 | Learning to write Spark examples |
| 153 | 27 | 10 | 3 years ago | [scala-chart](https://github.com/scala-chart/scala-chart)/976 | Scala Chart Library |
| 152 | 52 | 31 | 4 years ago | [leon](https://github.com/epfl-lara/leon)/977 | The Leon system for verification, synthesis, repair |
| 152 | 11 | 13 | 5 years ago | [aeromock](https://github.com/CyberAgent/aeromock)/978 | Lightweight mock web application server |
| 152 | 12 | 3 | 3 years ago | [JustinDB](https://github.com/justin-db/JustinDB)/979 | ⚛️ JustinDB is a highly available globally distributed key-value data store. |
| 151 | 36 | 7 | 3 years ago | [spark-tsne](https://github.com/saurfang/spark-tsne)/980 | Distributed t-SNE via Apache Spark |
| 151 | 16 | 4 | 7 years ago | [np](https://github.com/softprops/np)/981 | new sbt project generation made simple(r) |
| 151 | 80 | 4 | 7 months ago | [TIP](https://github.com/cs-au-dk/TIP)/982 | Static program analysis for TIP |
| 151 | 66 | 10 | 5 months ago | [Pragmatic-Scala](https://github.com/ReactivePlatform/Pragmatic-Scala)/983 | Pragmatic Scala 中文版——《Scala实用指南》代码清单（包含 SBT 版本（切到sbt分支）） |
| 151 | 22 | 10 | 7 years ago | [Swarm](https://github.com/sanity/Swarm)/984 | None |
| 151 | 16 | 1 | 2 hours ago | [meow-mtl](https://github.com/oleg-py/meow-mtl)/985 | Next Level MTL for Scala |
| 150 | 53 | 34 | 2 years ago | [spark-bigquery](https://github.com/spotify/spark-bigquery)/986 | Google BigQuery support for Spark, SQL, and DataFrames |
| 150 | 50 | 9 | 2 months ago | [spark-binlog](https://github.com/allwefantasy/spark-binlog)/987 | A library for querying Binlog with Apache Spark structure streaming,   for Spark SQL , DataFrames and [MLSQL](https://www.mlsql.tech). |
| 150 | 8 | 1 | 6 years ago | [Scalite](https://github.com/lihaoyi/Scalite)/988 | An experimental whitespace-delimited syntax for the Scala programming language |
| 149 | 84 | 12 | 5 years ago | [ScalaMl](https://github.com/prnicolas/ScalaMl)/989 | Project, source code and data files for 1st edition "Scala for Machine Learning" |
| 149 | 55 | 27 | 6 days ago | [scala-collection-compat](https://github.com/scala/scala-collection-compat)/990 | makes a subset of the Scala 2.13 collections API available on 2.11 and 2.12, to aid cross-building |
| 149 | 11 | 1 | a day ago | [dijon](https://github.com/jvican/dijon)/991 | A Dynamically Typed Scala Json Library |
| 149 | 37 | 2 | 5 years ago | [spark-ext](https://github.com/collectivemedia/spark-ext)/992 | Spark Extension : ML transformers, SQL aggregations, etc that are missing in Apache Spark |
| 149 | 13 | 3 | 2 years ago | [status](https://github.com/owainlewis/status)/993 | An open source, self hosted status page application for communicating service incidents to customers. |
| 149 | 23 | 0 | 1 year, 9 months ago | [coral](https://github.com/coral-streaming/coral)/994 | Coral is a real-time analytics and data science platform. It transforms streaming events and extract patterns from data via RESTful APIs. Built on Scala, Akka, Cassandra and Spray. |
| 149 | 34 | 8 | 8 years ago | [metricsd](https://github.com/mojodna/metricsd)/995 | A metrics aggregator for Graphite |
| 149 | 9 | 4 | 7 months ago | [scaled](https://github.com/scaled/scaled)/996 | My own private IDE-aho. |
| 149 | 91 | 7 | 9 months ago | [functional-effects](https://github.com/jdegoes/functional-effects)/997 | The exercises for the Functional Effects workshop |
| 148 | 65 | 0 | 2 years ago | [Principles-of-Reactive-Programming](https://github.com/vasnake/Principles-of-Reactive-Programming)/998 | Principles of Reactive Programming, Scala: assignments and other code from Coursera https://class.coursera.org/reactive-002 |
| 148 | 30 | 3 | 2 months ago | [isolation-forest](https://github.com/linkedin/isolation-forest)/999 | A Spark/Scala implementation of the isolation forest unsupervised outlier detection algorithm. |
| 148 | 33 | 10 | 1 year, 9 months ago | [fm-sbt-s3-resolver](https://github.com/frugalmechanic/fm-sbt-s3-resolver)/1000 | SBT Plugin that adds support for resolving and publishing using Amazon S3 |