PredictionIO/PredictionIO 9145 PredictionIO, a machine learning server for developers and ML engineers. Built on Apache Spark, HBase and Spray. apache/spark 8493 Mirror of Apache Spark playframework/playframework 7850 Play Framework scala/scala 6118 The Scala programming language gitbucket/gitbucket 5611 A Git platform powered by Scala with easy installation, high extensibility & github API compatibility akka/akka 5495 Akka Project twitter/finagle 4605 A fault tolerant, protocol-agnostic RPC system lhartikk/ArnoldC 4417 Arnold Schwarzenegger based programming language openzipkin/zipkin 3531 Zipkin is a distributed tracing system twitter/flockdb 2827 A distributed, fault-tolerant graph database twitter-archive/kestrel 2755 simple, distributed message queue system (inactive) snowplow/snowplow 2677 Enterprise-strength web, mobile and event analytics, powered by Hadoop, Kinesis, Redshift and Elasticsearch sbt/sbt 2594 sbt, the interactive build tool scalaz/scalaz 2529 An extension to the core Scala library for functional programming. twitter/diffy 2522 Find potential bugs in your services with Diffy twitter/scalding 2508 A Scala API for Cascading twitter/snowflake 2496 Snowflake is a network service for generating unique ID numbers at high scale with some simple guarantees. mesosphere/marathon 2491 Deploy and manage containers (including Docker) on top of Apache Mesos at scale. gatling/gatling 2394 Async Scala-Akka-Netty based Load Test Tool spray/spray 2317 A suite of scala libraries for building and consuming RESTful web services on top of Akka: lightweight, asynchronous, non-blocking, actor-based, testable scala-js/scala-js 2311 Scala.js, the Scala to JavaScript compiler fpinscala/fpinscala 2240 Code, exercises, answers, and hints to go along with the book "Functional Programming in Scala" yahoo/kafka-manager 2211 A tool for managing Apache Kafka. twitter/gizzard 2050 A flexible sharding framework for creating eventually-consistent distributed datastores rtyley/bfg-repo-cleaner 2031 Removes large or troublesome blobs like git-filter-branch does, but faster. And written in Scala ornicar/lila 1991 The forever free, adless and open source chess server. pocorall/scaloid 1932 Scaloid makes your Android code easy to understand and maintain. scalatra/scalatra 1924 Tiny Scala high-performance, async web framework, inspired by Sinatra MojoJolo/textteaser 1802 TextTeaser is an automatic summarization algorithm. twitter/summingbird 1708 Streaming MapReduce with Scalding and Storm milessabin/shapeless 1550 Generic programming for Scala scalanlp/breeze 1534 Breeze is a numerical processing library for Scala. slick/slick 1533 Scala Language Integrated Connection Kit twitter/util 1513 Wonderful reusable code from Twitter mesos/spark 1475 Lightning-fast cluster computing in Java, Scala and Python. GravityLabs/goose 1295 Html Content / Article Extractor in Scala - open sourced from Gravity Labs scala-native/scala-native 1274 Your favourite language gets closer to bare metal. laurilehmijoki/s3_website 1256 Manage an S3 website: sync, deliver via CloudFront, benefit from advanced S3 website features. twitter/algebird 1227 Abstract Algebra for Scala twitter/finatra 1218 Fast, testable, Scala services built on Twitter-Server and Finagle PkmX/lcamera 1195 A camera app using the new camera2 API in Android Lollipop jaliss/securesocial 1166 A module that provides OAuth, OAuth2 and OpenID authentication for Play Framework applications twitter/iago 1151 A load generator, built for engineers guardian/grid 1086 The Guardian’s new image management system typelevel/cats 1043 Lightweight, modular, and extensible library for functional programming. ensime/ensime-server 1015 ENSIME JVM Process spark-jobserver/spark-jobserver 1013 REST job server for Apache Spark mpeltonen/sbt-idea 1009 A simple-build-tool (sbt) plugin/processor for creating IntelliJ IDEA project files lift/framework 994 Lift Framework amplab/shark 983 Development in Shark has been ended. rickynils/scalacheck 969 Property-based testing for Scala non/spire 949 Powerful new number types and numeric abstractions for Scala. Netflix/atlas 930 foundweekends/giter8 910 a command line tool to apply templates defined on github datastax/spark-cassandra-connector 909 DataStax Spark Cassandra Connector lampepfl/dotty 905 Research platform for new language concepts and compiler technologies for Scala. twitter/cassovary 815 Cassovary is a simple big graph processing library for the JVM mauricio/postgresql-async 802 Async, Netty based, database drivers for PostgreSQL and MySQL written in Scala lihaoyi/Ammonite 802 Rock-solid shell scripting killrweather/killrweather 780 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. tumblr/colossus 768 I/O and Microservice library for Scala eligosource/eventsourced 759 A library for building reliable, scalable and distributed event-sourced applications in Scala twitter/ostrich 742 A stats collector & reporter for Scala servers scala/pickling 742 Fast, customizable, boilerplate-free pickling support for Scala BuoyantIO/linkerd 710 A dynamic linker for microservices. lihaoyi/Metascala 698 A JVM written in Scala jdegoes/blueeyes 683 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. json4s/json4s 668 A single AST to be used by other scala json libraries finagle/finch 658 Scala combinator library for building Finagle HTTP services lihaoyi/scala.rx 654 An experimental library for Functional Reactive Programming in Scala scala/async 652 An asynchronous programming facility for Scala ReactiveMongo/ReactiveMongo 647 Non-blocking, Reactive MongoDB Driver for Scala yahoojapan/objc2swift 646 Open Source Obj-C to Swift Converter. lagom/lagom 637 Reactive Microservices for the JVM unfiltered/unfiltered 630 A toolkit for servicing HTTP requests in Scala kamon-io/Kamon 630 The Open Source tool for monitoring applications running on the JVM playframework/play-slick 611 Slick Plugin for Play vkostyukov/scalacaster 610 Purely Functional Algorithms and Data Structures in Scala sbt/sbt-native-packager 605 SBT Native Packager sksamuel/elastic4s 604 Non blocking, type safe DSL and Scala client for Elasticsearch quantifind/KafkaOffsetMonitor 599 A little app to monitor the progress of kafka consumers and their lag wrt the queue. scalikejdbc/scalikejdbc 594 A tidy SQL-based DB access library for Scala developers. This library naturally wraps JDBC APIs and provides you easy-to-use APIs. lw-lin/CoolplaySpark 593 酷玩 Spark: Spark 源代码解析、Spark 类库等 japgolly/scalajs-react 568 Facebook's React on Scala.js t2v/play2-auth 565 Play2.x Authentication and Authorization module julien-truffaut/Monocle 558 Optics library for Scala typesafehub/sbteclipse 554 Plugin for sbt to create Eclipse project definitions gearpump/gearpump 550 Lightweight real-time big data streaming engine over Akka nscala-time/nscala-time 549 A new Scala wrapper for Joda Time based on scala-time jrudolph/sbt-dependency-graph 542 sbt plugin to create a dependency graph for your project skinny-framework/skinny-framework 542 :monorail: "Scala on Rails" - A full-stack web app framework for rapid development in Scala etaty/rediscala 542 Non-blocking, Reactive Redis driver for Scala (with Sentinel support) twitter/twitter-server 528 Twitter-Server defines a template from which services at Twitter are built functional-streams-for-scala/fs2 523 Compositional, streaming I/O library for Scala sryza/spark-timeseries 521 A library for time series analysis on Apache Spark foursquare/rogue 509 A Scala DSL for MongoDB getquill/quill 508 Compile-time Language Integrated Query for Scala miguno/kafka-storm-starter 506 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. spray/spray-json 505 A lightweight, clean and simple JSON implementation in Scala etorreborre/specs2 504 Software Specifications for Scala JetBrains/intellij-scala 502 Scala plugin for IntelliJ IDEA akka/reactive-kafka 502 Reactive Streams API for Apache Kafka Astonex/Antox 502 Scala android client for Project Tox - secure p2p messaging tuplejump/FiloDB 498 Distributed. Columnar. Versioned. Streaming. SQL. pathikrit/better-files 494 Simple, safe and intuitive Scala I/O CSUG/HouseMD 494 HouseMD is an awesome diagnosing tool better than BTrace mongodb/casbah 488 Officially supported Scala Driver for MongoDB NICTA/scoobi 482 A Scala productivity framework for Hadoop. adamw/macwire 482 Lightweight and Nonintrusive Scala Dependency Injection Library sameeragarwal/blinkdb 477 BlinkDB: Sub-Second Approximate Queries on Very Large Data. salat/salat 475 Salat is a simple serialization library for case classes. puffnfresh/wartremover 473 Flexible Scala code linting tool twitter/scrooge 472 A Thrift parser/generator ReactiveX/RxScala 471 RxScala – Reactive Extensions for Scala – a library for composing asynchronous and event-based programs using observable sequences chandu0101/sri 466 Build truly native cross platform (web,ios,android) apps using scalajs and react, react-native fehmicansaglam/progressed.io 463 progressbar microservice mohiva/play-silhouette 463 Silhouette is an authentication library for Play Framework applications that supports several authentication methods, including OAuth1, OAuth2, OpenID, Credentials, Basic Authentication, Two Factor Authentication or custom authentication schemes. squeryl/squeryl 458 A Scala DSL for talking with databases with minimum verbosity and maximum type safety dbpedia-spotlight/dbpedia-spotlight 456 DBpedia Spotlight is a tool for automatically annotating mentions of DBpedia resources in text. twitter/twitter-korean-text 454 Korean tokenizer paulp/policy 452 a fork of the scala compiler scalate/scalate 450 scala template engine: like JSP but without the crap and with added scala coolness tpolecat/doobie 449 principled database access for scala http4s/http4s 445 A minimal, idiomatic Scala interface for HTTP adamw/elasticmq 441 Message queueing system with an actor-based Scala and Amazon SQS-compatible interfaces. Runs stand-alone or embedded. sryza/aas 440 Code to accompany Advanced Analytics with Spark from O'Reilly Media travisbrown/circe 437 Yet another JSON library for Scala densh/scala-offheap 436 Experimental type-safe off-heap memory for Scala. sirthias/parboiled2 435 A macro-based PEG parser generator for Scala 2.10+ databricks/spark-csv 434 CSV data source for Spark SQL and DataFrames bigdatagenomics/adam 432 ADAM is a genomics analysis platform with specialized file formats built using Apache Avro, Apache Spark and Parquet. Apache 2 licensed. scala-ide/scala-ide 430 Scala IDE for Eclipse spray/sbt-revolver 428 An SBT plugin for dangerously fast development turnaround in Scala play2war/play2-war-plugin 423 WAR Plugin for Play framework 2.x foundweekends/conscript 423 Scala at your command foursquare/twofishes 422 A coarse splitting geocoder in scala, based primarily on geonames data geotrellis/geotrellis 420 GeoTrellis is a geographic data processing engine for high performance applications. ibm-et/spark-kernel 418 A kernel that enables applications to interact with Apache Spark. outworkers/phantom 417 Reactive type-safe Scala driver for Cassandra/Datastax Enterprise 47deg/macroid 416 A modular functional UI language for Android stephenmcd/curiodb 414 Distributed and Persistent NoSQL Database tminglei/slick-pg 413 Slick extensions for PostgreSQL factorie/factorie 407 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. typesafehub/activator 405 Typesafe Activator precog/platform 399 Advanced Analytics Engine for NoSQL Data scala-exercises/scala-exercises 396 The easy way to learn Scala. MightyPirates/OpenComputers 394 Home of the OpenComputers mod for Minecraft. tumblr/collins 392 groovy kind of love monixio/monix 392 Reactive Programming for Scala and Scala.js (former Monifu). lihaoyi/scalatags 391 ScalaTags is a small XML/HTML construction library for Scala. dickwall/subcut 390 Scala Uniquely Bound Classes Under Traits scalatest/scalatest 390 A testing tool for Scala and Java developers scalaj/scalaj-http 389 Simple scala wrapper for HttpURLConnection. OAuth included. scala/legacy-svn-scala 389 OBSOLETE, we're over there: spring-projects/spring-scala 389 scodec/scodec 389 Scala combinator library for working with binary data twitter/bijection 384 Reversible conversions between types Antox/Antox 380 Android client for Project Tox - secure p2p messaging rhavyn/norbert 375 Norbert is a cluster manager and networking layer built on top of Zookeeper. RBMHTechnology/eventuate 374 A unified approach to event-sourcing and distributed event collaboration twitter/storehaus 372 Storehaus is a library that makes it easy to work with asynchronous key value stores scalastyle/scalastyle 370 scalastyle ReactiveMongo/Play-ReactiveMongo 368 ReactiveMongo plugin for Playframework spray/spray-template 368 SBT template project for quickly getting started with spray-server Eliah-Lakhin/papa-carlo 365 Constructor of incremental parsers in Scala amplab/SparkNet 364 Distributed Neural Networks for Spark xitrum-framework/xitrum 362 Async and clustered Scala web framework and HTTP(S) server argonaut-io/argonaut 360 Purely functional JSON parser and library in scala. scala-ide/scalariform 358 Scala source code formatter seratch/AWScala 358 Using AWS SDK on the Scala REPL ochrons/scalajs-spa-tutorial 354 Tutorial for creating a simple Single Page Application in ScalaJS matthiasn/sse-chat 354 Chat example app using Server Sent Events plus REST calls. Scala, Play Framework 2.3, AngularJS or React (alternatively). boundary/ordasity 348 Ordasity is Boundary's library for building stateful clustered services on the JVM. amplab/keystone 347 Simplifying robust end-to-end machine learning on Apache Spark. sksamuel/scrimage 345 Scala image processing library lihaoyi/fastparse 344 Writing Fast Parsers Fast in Scala ezhulenev/orderbook-dynamics 340 Modeling high-frequency limit order book dynamics with support vector machines dispatch/reboot 339 Dispatch with AsyncHttpClient as the underlying library jsuereth/scala-arm 335 This project aims to be the Scala Incubator project for Automatic-Resource-Management in the scala library Netflix/edda 331 Service to track changes in your cloud OpenBankProject/OBP-API 330 A RESTful API for banks that supports: accounts, transactions, counterparties, transfers (payments), entitlements (permissions), metadata on the above (comments, tags, geo tags, urls etc.), multiple views on accounts (my data, shared data, open data), cards etc.. twitter/chill 330 Scala extensions for the Kryo serialization library nulab/scala-oauth2-provider 327 OAuth 2.0 server-side implementation written in Scala sangria-graphql/sangria 322 Scala GraphQL implementation ucb-bar/chisel 317 p2t2/figaro 317 Figaro Programming Language and Core Libraries ooyala/spark-jobserver 317 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. dispatch/dispatch 315 Scala library for accessing HTTP services earldouglas/xsbt-web-plugin 311 Build J2EE Web applications in Scala. mpilquist/simulacrum 309 First class syntax support for type classes in Scala stripe/brushfire 302 Distributed decision tree ensemble learning in Scala sbt/sbt-release 302 A release plugin for sbt (>= 0.11.0) scalala/Scalala 301 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. marcuslonnberg/sbt-docker 299 Create Docker images directly from sbt h2oai/sparkling-water 295 Sparkling Water provides H2O functionality inside Spark cluster tototoshi/scala-csv 291 CSV Reader/Writer for Scala fwbrasil/activate 290 Pluggable persistence in Scala typesafehub/scala-logging 286 Convenient and performant logging library wrapping SLF4J. wix/accord 283 Accord: A sane validation library for Scala scala/scala-dist 283 SBT project that packages the Scala distribution dlwh/epic 282 Epic is a high performance statistical parser written in Scala, along with a framework for building complex structured prediction models. MoeOrganization/moe 281 An -OFun prototype of an Ultra Modern Perl 5 SnappyDataInc/snappydata 280 SnappyData: OLTP + OLAP Database built on Apache Spark softwaremill/supler 279 Rapid Form Development library. Use your favourite JS frontend & Scala backend frameworks. quantifind/wisp 278 Wisp Is Scala Plotting codahale/jerkson 277 [ABANDONED] The Scala applewood bacon to Jackson's chicken breast: JSON cordon bleu. softwaremill/bootzooka 277 Simple project to quickly start developing a web application using AngularJS and Akka HTTP, without the need to write login, user registration etc. pkinsky/akka-streams-example 276 rockymadden/stringmetric 275 :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). brikis98/ping-play 272 BigPipe streaming for the Play Framework cb372/scalacache 272 Simple caching in Scala RayRoestenburg/akka-in-action 270 Accompanying source code for akka in action mattpap/IScala 270 Scala backend for IPython mesos/kafka 270 Apache Kafka on Apache Mesos jorgeortiz85/scala-time 268 A Scala wrapper for Joda Time garyKeorkunian/squants 268 The Scala API for Quantities, Units of Measure and Dimensional Analysis cvrebert/lmvtfy 267 LMVTFY: Let Me Validate That For You aselab/scala-activerecord 266 ActiveRecord-like ORM library for Scala MrTJP/ProjectRed 265 Extending redstone functionality to FMP oncue/remotely 265 An elegant RPC system for reasonable people softwaremill/codebrag 265 Your daily code review tool deanwampler/spark-scala-tutorial 265 A free tutorial for Apache Spark. fthomas/refined 264 Simple refinement types for Scala twitter/scala_school2 263 Scala School 2 FasterXML/jackson-module-scala 261 Add-on module for Jackson (http://wiki.fasterxml.com/JacksonHome) to support Scala-specific datatypes playframework/twirl 260 The Play Scala Template Compiler sbt/sbt-web 259 mashupbots/socko 254 A Scala web server powered by Netty networking and AKKA processing. scalanlp/nak 254 The Nak Machine Learning Library amplab/graphx 253 Former GraphX development repository. GraphX has been merged into Apache Spark; please submit pull requests there. rtimush/sbt-updates 252 SBT plugin that can check maven repositories for dependency updates twitter/cassie 250 A Scala client for Cassandra scalameter/scalameter 250 Microbenchmarking and performance regression testing framework for the JVM platform. 47deg/translate-bubble-android 250 Translations without interruptions Comcast/sirius 249 A distributed system library for managing application reference data scala-graph/scala-graph 248 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. openwhisk/openwhisk 248 OpenWhisk is a cloud-first distributed event-based programming service. elodina/scala-kafka 247 Quick up and running using Scala for Apache Kafka marconilanna/REPLesent 247 A neat little tool to build presentations using the Scala REPL mpollmeier/gremlin-scala 247 Scala wrapper for Apache TinkerPop 3 Graph DSL velvia/ScalaStorm 246 Harness the power and elegance of Scala with nathanmarz's Storm real-time system spotify/scio 244 A Scala API for Google Cloud Dataflow typesafehub/play2-mini 243 Play 2.0 mini project - provides REST API on top of Play2 jonifreeman/sqltyped 243 Embedding SQL as an external DSL into Scala typesafehub/zinc 242 sbt's scala incremental compiler xerial/sbt-pack 242 A sbt plugin for creating distributable Scala packages. erikvanoosten/metrics-scala 242 The scala API for Dropwizard's Metrics. alexarchambault/jupyter-scala 239 Lightweight Scala kernel for Jupyter / IPython 3 quasar-analytics/quasar 238 A NoSQL analytics engine that embraces post-relational analytics and pushes computation to the data. stackmob/newman 238 A REST Client Made For Humans tpolecat/tut 238 doc/tutorial generator for scala velvia/links 236 Just a bunch of useful links scalafx/scalafx 235 ScalaFX simplifies creation of JavaFX-based user interfaces in Scala. wandoulabs/chana 234 Avro Data Store based on Akka krasserm/akka-analytics 232 Large-scale event processing with Akka Persistence and Apache Spark lihaoyi/upickle-pprint 230 Combined repository for uPickle/PPrint magneticio/vamp 225 Vamp is the Very Awesome Microservices Platform nkallen/querulous 225 An agreeable way to talk to your database. debasishg/sjson 225 Scala Json with capabilities for Scala Object Serialization wandoulabs/spray-socketio 225 socket.io for spray vmunier/play-with-scalajs-example 225 Example application showing how you can integrate Play with Scala.js. scallop/scallop 222 a simple Scala CLI parsing library scala-labs/scala-labs 220 A collection of hands-on programming exercises aimed at teaching you to program in Scala scoverage/scalac-scoverage-plugin 220 Scoverage Scala Code Coverage Core Libs leon/play-salat 219 MongoDB / Salat plugin for Play 2 [MOVED] scoverage/sbt-scoverage 219 sbt plugin for scoverage paulp/psp-std 218 psp's non-standard standard library (for scala) non/kind-projector 218 Compiler plugin for making type lambdas (type projections) easier to write patriknw/akka-data-replication 218 Replication of CRDTs in Akka Cluster ktoso/sbt-jmh 218 "Trust no one, bench everything." - sbt plugin for JMH (Java Microbenchmark Harness) enragedginger/akka-quartz-scheduler 217 Quartz Extension and utilities for cron-style scheduling in Akka Searchlight/khronus 216 A reactive time series database headinthebox/CourseraCodeSamplesReactiveProgramming 216 Stratio/Sparta 215 Real Time Aggregation based on Spark Streaming holdenk/spark-testing-base 215 Base classes to use when writing tests with Spark soundcloud/sketchy-core 214 A framework for reducing text-based spam and other malicious user activity. Battle-tested in production at SoundCloud. scalameta/scalameta 214 Simple, robust and portable metaprogramming toolkit for Scala sorm/sorm 211 A functional boilerplate-free Scala ORM scala/scala-abide 211 Library for quick scala code checking and validation. paulbutcher/ScalaMock 210 Native Scala mocking framework scaldi/scaldi 209 Lightweight Scala Dependency Injection Library nativelibs4java/Scalaxy 208 Compiler plugin goodies for Scala (continuation of non-OpenCL part of ScalaCL) playforscala/sample-applications 208 Sample applications that go with the book Play for Scala joa/apparat 208 A framework to optmize ABC, SWC and SWF files. greencatsoft/scalajs-angular 207 AngularJS Binding for Scala.js wandoulabs/spray-websocket 207 WebSocket for spray-can sbt/sbt-buildinfo 206 I know this because build.sbt knows this. kakao/s2graph 205 This code base is retained for historical interest only, please visit Apache Incubator Repo for latest one knowitall/openie 204 Quality information extraction at web scale. alexarchambault/coursier 203 Pure Scala Artifact Fetching nativelibs4java/ScalaCL 202 ScalaCL - run Scala on your GPU! fix-macosx/net-monitor 202 Toolkit for auditing "phone home" behavior on Mac OS X Yosemite. spray/twirl 202 The Play framework Scala template engine, stand-alone and packaged as an SBT plugin scalanlp/chalk 201 Chalk is a natural language processing library. databricks/spark-avro 201 Avro support for Spark, SQL, and DataFrames Stratio/Spark-MongoDB 200 Spark library for easy MongoDB access boundary/scalang 200 Scalang is a scala wrapper that makes it easy to write services that interface with erlang. apache/samza 199 Mirror of Apache Samza tototoshi/slick-joda-mapper 199 Slick with JodaTime jrudolph/json-lenses 198 A library to query and update JSON data in Scala. FaKod/neo4j-scala 198 Scala wrapper for Neo4j Graph Database non/jawn 198 Jawn is for parsing jay-sawn (JSON) SandroGrzicic/ScalaBuff 197 the scala protocol buffers (protobuf) compiler stevej/scala-json 197 Scala JSON toolkit. Originally from the Odersky "Stairway" Book, tightened up and tests added by Twitter, Inc. eed3si9n/scalaxb 197 scalaxb is an XML data binding tool for Scala. krasserm/akka-persistence-cassandra 196 A replicated Akka Persistence journal backed by Apache Cassandra heathermiller/progfun-stats 194 Visualize statistics from the MOOC "Functional Programming Principles in Scala" using Scala! non/algebra 193 Experimental project to lay out basic algebra type classes sbt/sbt-onejar 193 Packages your project using One-JAR™ nafg/reactive 193 A simple FRP library and a web UI framework built on it pathikrit/scalgos 193 algorithms in scala BIDData/BIDMat 192 A CPU and GPU-accelerated matrix library for data mining ochrons/diode 192 Scala library for managing immutable application model lihaoyi/autowire 192 Macros for simple/safe RPCs between Scala applications, including ScalaJS/ScalaJVM runarorama/scala-machines 191 A stream processing library for Scala NET-A-PORTER/scala-uri 191 Simple scala library for building and parsing URIs jrudolph/akka-http-scala-js-websocket-chat 190 An example app that integrates akka-http and scala-js to implement a websocket chat xerial/larray 189 Large off-heap arrays and mmap files lihaoyi/Scalatex 189 Programmable, Typesafe Document Generation jacobus/s4 187 Spray Slick Starter Stack schauder/degraph 187 Test and Visualize and Manage Dependencies of classes and packages in JVM Byte Code (think Scala and Java) webjars/webjars 186 Client-side web libraries packaged into JARs mesosphere/chaos 185 A lightweight framework for writing REST services in Scala. jamesward/play-auto-refresh 185 smallnest/C1000K-Servers 184 :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 levkhomich/akka-tracing 183 A distributed tracing extension for Akka. Provides integration with Play framework, Spray and Akka HTTP. nau/jscala 182 Scala macro that produces JavaScript from Scala code. typesafehub/scalalogging 182 Convenient and performant logging in Scala scalikejdbc/scalikejdbc-async 182 ScalikeJDBC Extension: Non-blocking APIs in the JDBC way stanford-ppl/Delite 182 The Delite Git Repo non/debox 182 Fast, deboxed, specialized data structures for Scala mardambey/mypipe 180 MySQL binary log consumer with the ability to act on changed rows and publish changes to different systems with emphasis on Apache Kafka. banana-rdf/banana-rdf 180 Banana RDF databricks/spark-redshift 178 Redshift data source for Spark eBay/Neutrino 178 Neutrino is a software load balancer(SLB) strongtyped/active-slick 177 Slick extensions for record lifecycle management mDialog/smoke 176 Simple, asynchronous HTTP using Scala. eligosource/eventsourced-example 175 A Scala web application demonstrating event-sourcing best practices adept-dm/adept 175 Adept - the predictable dependency management system pawelkaczor/ddd-leaven-akka 175 Reactive DDD with Akka softwaremill/akka-http-session 175 Web & mobile client-side akka-http sessions, with optional JWT support sbt/sbt-git 175 A git plugin for SBT sclasen/akka-kafka 175 mbonaci/scala 174 Scala reference (as seen by Java developer) sgodbillon/reactivemongo-demo-app 174 Full web application built upon Play 2.0 and ReactiveMongo felixgborrego/docker-ui-chrome-app 174 Docker UI for Chrome debasishg/scala-redis-nb 172 Implementation of a non blocking Redis client in Scala using Akka IO ktoso/akka-raft 172 A toy project implementing RAFT on top of Akka Cluster (not prod ready) harrah/browse 172 A Scala source code browser stanch/reftree 172 Automatic object tree diagrams for immutable data adamw/quicklens 172 Modify deeply nested case class fields ceedubs/ficus 171 Scala-friendly companion to Typesafe config - moved to https://github.com/iheartradio/ficus getclump/clump 170 A library for expressive and efficient service composition pawelkaczor/ddd-leaven-akka-v2 170 Next generation of ddd-leaven-akka locationtech/geomesa 169 GeoMesa is a suite of tools for working with big geo-spatial data in a distributed fashion. djspiewak/gll-combinators 168 A parser combinator library based on the GLL algorithm databricks/spark-perf 168 Performance tests for Spark djspiewak/anti-xml 167 The scala.xml library has some very annoying issues. Time for a clean-room replacement! timowest/scalagen 166 Java to Scala transformation sirthias/scala-ssh 165 Remote shell access via SSH for your Scala applications robey/configgy 165 simple config and logging setup for scala inca/circumflex 165 Circumflex — lightweight Scala-based Web application framework and ORM pniederw/expecty 164 Power assertions (as known from Groovy and Spock) for the Scala language. dwango/scala_text 163 Scala研修用テキスト http://dwango.github.io/scala_text/scala_text.epub slick/slick-examples 163 A sample project for getting started with Slick trueaccord/ScalaPB 162 Protocol buffer compiler for Scala. jcranky/lojinha 161 a small store application, developed using Play 2 and Akka 2 guardian/gu-who 161 answering: who are all these users in my GitHub org? karthik20522/SprayLearning 161 Learning dlwh/puck 161 Puck is a lightning-fast parser for natural languages using GPUs japgolly/scalacss 160 Super type-safe CSS for Scala and Scala.JS. Treode/store 159 The DB that's replicated, sharded and transactional. lihaoyi/utest 159 A tiny, portable testing library for Scala sbt/sbt-scalariform 158 sbt plugin adding support for source code formatting using Scalariform gideondk/sentinel 158 Boilerplate for creating reactive TCP clients / servers on Akka IO (2.3) danielkorzekwa/bayes-scala 157 Bayesian Networks in Scala ensime/ensime-sbt 157 Generates .ensime config files for SBT projects nbronson/scala-stm 156 A library-based Software Transactional Memory (STM) for Scala, coupled with transactional sets and maps bwmcadams/hammersmith 155 Pure asynchronous MongoDB Driver for Scala. mariussoutier/PlayBasics 155 Example code for my tutorial series about Play Framework 2.x mandubian/play-autosource 155 Play Autosource : 1mn REST/Crud/Async/Typesafe Datasource for Play Framework spray/spray-can 155 A low-overhead, high-performance, fully async HTTP 1.1 server and client library implemented entirely in Scala on top of Akka ruippeixotog/scala-scraper 155 A Scala library for scraping content from HTML pages rpgboss/rpgboss 154 point and click rpg game editor and engine krasserm/akka-persistence-kafka 154 A replicated Akka Persistence journal backed by Apache Kafka harsha2010/magellan 153 Geo Spatial Data Analytics on Spark deanwampler/prog-scala-2nd-ed-code-examples 153 The code examples used in Programming Scala, 2nd Edition (O'Reilly) amplab/spark-indexedrdd 152 An efficient updatable key-value store for Apache Spark codeport/scala 152 LascoDan(Korea Scala Group) scala study jliszka/probability-monad 150 jboner/akka-crdt 150 Server-managed CRDTs based on Akka ge0rg/aprsdroid 149 APRSdroid - Android APRS reporting tool fogus/baysick 149 An embedded Insane-specific Language for Scala implementing the BASIC programming language mojodna/metricsd 148 A metrics aggregator for Graphite aztek/scala-workflow 148 Boilerplate-free syntax for effectful computations pathikrit/metarest 148 Scala macros to generate RESTful Models druid-io/tranquility 147 Tranquility helps you send real-time event streams to Druid and handles partitioning, replication, service discovery, and schema rollover, seamlessly and without downtime. Xyclade/MachineLearning 147 Literature Study Ichoran/thyme 147 Thyme is a microbenchmark utility for Scala. It includes Parsley, a (simple) local profiling tool. yareally/android-scala-intellij-no-sbt-plugin 147 Directions on how to create a Scala based project in Intellij IDEA without having to resort to additional plugins or external building that cripples the nice features of the IDE. mumoshu/play2-memcached 146 A memcached plugin for Play 2.x sanity/Swarm 145 TiarkRompf/virtualization-lms-core 145 A Framework for Runtime Code Generation and Compiled DSLs gettyimages/spray-swagger 145 rikvdkleij/intellij-haskell 145 IntelliJ plugin for Haskell mpilquist/Structures 145 Functional type classes for Scala iron-io/dockerworker 145 The new IronWorker workflow examples. Test locally, then upload and start queuing jobs! lihaoyi/workbench-example-app 144 An example application written in ScalaJS using scala-js-dom and scala-js-workbench sbt/sbt-start-script 144 SBT Plugin to create a "start" script to run the program rubbish/scala-koans 144 The Scala Koans backchatio/hookup 144 A reliable netty websocket server built on top of akka gilt/ionroller 143 AWS Immutable Deployment framework for web services lihaoyi/sourcecode 143 Scala library providing "source" metadata to your program, similar to Python's __name__, C++'s __LINE__ or Ruby's __FILE__. softprops/np 143 new sbt project generation made simple(r) Livestream/scredis 143 Non-blocking, ultra-fast Scala Redis client built on top of Akka IO, used in production at Livestream pathikrit/sauron 143 Yet another Scala lens macro QianmiOpen/bugatti 143 运维自动化部署监控平台 scala-blitz/scala-blitz 143 Scala framework for efficient sequential and data-parallel collections - scala/scala-parser-combinators 141 Scala Standard Parser Combinator Library CyberAgent/aeromock 141 Lightweight mock web application server echen/link-prediction 141 Solution to Facebook's link prediction contest on Kaggle. Centaur/repox 141 Make sbt more responsive boldradius/akka-dddd-template 140 Akka DDDD template using CQRS/ES with a Distributed Domain Chicken-Bones/ForgeMultipart 140 An API for dynamically handling different functional parts in the one block space. djspiewak/emm 139 A general monad for managing stacking effects guardian/riff-raff 139 Guardian deployment libraries and RiffRaff frontend ochrons/boopickle 139 Binary serialization library for efficient network communication playframework/play-mailer 138 Play mailer plugin RedisLabs/spark-redis 138 A connector for Spark that allows reading and writing to/from Redis cluster olafurpg/scalafmt 138 Opinionated code formatter for Scala cjdev/kafka-rx 137 reactive kafka client paradigmatic/Configrity 136 Simple, immutable and flexible configuration library for scala. scala-incubator/scala-io 136 Repository for work on Scala Standard Library I/O components twitter/standard-project 136 A slightly more standard sbt project plugin library sksamuel/scapegoat 136 Scala compiler plugin for static code analysis dunnololda/scage 135 game engine written in Scala retronym/macrocosm 135 Exploration of Scala macros mtkopone/scct 134 Scala Code Coverage Tool jto/validation 134 validation api extracted from play qifun/stateless-future 134 Asynchronous programming in fully featured Scala syntax. thenewmotion/akka-rabbitmq 134 RabbitMq client in Scala and Akka actors eigengo/monitor 133 Library for monitoring the Typesafe stack-based applications. scaled/scaled 133 One man's quixotic adventure. jacksu/utils4s 133 scala、spark使用过程中，各种测试用例以及相关资料整理 peak6/scala-ssh-shell 132 Your Scala SSH backdoor into the jvm pelotom/effectful 132 A syntax for type-safe effectful computations in Scala acrosa/scala-redis 132 A scala library for connecting to a redis server, or a cluster of redis nodes using consistent hashing on the client side. scala/scala-java8-compat 132 A Java 8 compatibility kit for Scala. teamon/play-navigator 132 Better router for Play Framework 2.x ScalaConsultants/reactive-rabbit 132 Reactive Streams driver for AMQP protocol. Powered by RabbitMQ library. scalaj/scalaj-collection 131 theiterators/reactive-microservices 131 Project showcasing different microservice communication styles using Scala, Akka, Play and other tools from Scala ecosystem HuaweiBigData/astro 130 Native, optimized access to HBase Data through Spark SQL/Dataframe Interfaces sksamuel/akka-patterns 130 Implementations of common enterprise integration patterns and more using Akka sstone/amqp-client 130 Simple fault-tolerant AMQP client written in Scala and based on Akka and the RabbitMQ java client angyjoe/eventual 129 The Eventual PlayFramework-AngularJS-Bootstrap-MongoDB Seed Project jaceklaskowski/scalania 129 Learn Scala by examples orrsella/sbt-sublime 128 An sbt pluign for generating Sublime Text projects with library dependencies sources amplab/training 128 Training materials for Strata, AMP Camp, etc pawelkaczor/akka-ddd 128 Akka/EventStore DDD framework mbryzek/apidoc 128 Beautiful documentation for REST services. Simple native client libraries with no dependencies. fwbrasil/bond 127 Type-level validation for Scala walmartlabs/mupd8 127 Muppet paypal/cascade 126 Common Libraries & Patterns for Scala Apps @ PayPal jsuereth/sbt-in-action-examples 126 Source code examples for the book "sbt in Action" GrahamLea/scala-spring-hibernate-maven-webapp 126 Code for kickstarting a webapp using Scala + Spring + Hibernate + Maven + Selenium WebDriver PageObject Web Tests Interana/eventsim 126 Event data simulator. Generates a stream of pseudo-random events from a set of users, designed to simulate web traffic. skrusche63/spark-elastic 125 This project combines Apache Spark and Elasticsearch to enable mining & prediction for Elasticsearch. hseeberger/akka-http-json 125 Supplementary JSON support for Akka HTTP milliondreams/socket.io.play 125 socket.io with play framework 2.0 GravityLabs/HPaste 125 HBase DSL for Scala with MapReduce support uzh/signal-collect 125 A framework for scalable graph computing. jamie-allen/effective_akka 124 Source code from my Effective Akka work bowler-framework/Bowler 124 RESTful Web Framework based on Scala, built on top of Scalatra & Scalate ucb-bar/rocket-chip 124 Rocket Chip Generator fommil/lions-share 124 :cat: dev tools for JVM memory problems avibryant/simmer 123 Reduce your data. A unix filter for algebird-powered aggregation. coral-streaming/coral 123 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. krasserm/eventsourcing-example 123 Event sourcing example with Scala and Akka ingoem/scala-react 123 Scala.react is a reactive programming library for Scala. henrikerola/scaladin 123 Scala API for Vaadin Framework wolfe-pack/wolfe 123 Wolfe Language and Engine cvogt/cbt 123 CBT - fun, fast, intuitive, compositional, statically checked builds written in Scala lihaoyi/workbench 123 Tooling around scala-js marklister/product-collections 122 A very simple, strongly typed, scala framework for tabular data. A collection of tuples. A strongly typed scala csv reader and writer. A lightweight idiomatic dataframe / datatable alternative. MasseGuillaume/ScalaKata 122 Moved midonet/midonet 122 MidoNet is an Open Source network virtualization system for Openstack clouds Thaumic-Tinkerer/ThaumicTinkerer 122 A Spiritual Successor to the Elemental Tinkerer mod. This time Thaumcraft flavoured. bsadeh/scalastic 122 scala driver for elasticsearch jamieowen/threeflow.js 122 NET-A-PORTER/spray-actor-per-request 122 Example spray application that uses the actor per request model mDialog/scala-zeromq 122 Thread-safe ZeroMQ for Scala bizreach/play2-hands-on 122 Play2 + Slick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。 cloudify/sPDF 121 Create PDFs from Scala using plain old HTML and CSS. Uses wkhtmltopdf on the back-end which renders HTML using Webkit. hseeberger/akka-sse 121 Server Sent Events for Akka HTTP twitter/haplocheirus 121 A Redis-backed storage engine for timelines Huawei-Spark/Spark-SQL-on-HBase 121 Native, optimized access to HBase Data through Spark SQL/Dataframe Interfaces romix/akka-kryo-serialization 121 Kryo-based serialization for Akka lihaoyi/Scalite 121 An experimental whitespace-delimited syntax for the Scala programming language kenshoo/metrics-play 121 Metrics module for Play2 m3dev/octoparts 121 Octoparts, the backend services aggregator twitter/tormenta 120 Scala extensions for Storm xored/scala-js-react 120 ScalaJS interface for Facebook React dimroc/etl-language-comparison 120 Count the number of times certain words were said in a particular neighborhood. Performed as a basic MapReduce job against 25M tweets. Implemented with different programming languages as a educational exercise. owainlewis/status 119 An open source, self hosted status page application for communicating service incidents to customers. twbs/no-carrier 119 Tool to auto-close old GitHub issues that were abandoned by their reporter tpolecat/atto 119 friendly little parsers softwaremill/scala-clippy 119 Good advice for Scala compiler errors 47deg/scala-android 118 Scala on Android Examples databricks/spark-training 118 Spark training material nkallen/Rowz 117 A sample gizzard application scala-js/scala-js-dom 117 statically typed dom wrappers for scala-js lloydmeta/enumeratum 117 A type-safe, reflection-free, powerful enumeration implementation for Scala with exhaustive pattern match warnings oncue/funnel 117 Reasonable monitoring for distributed systems Stratio/Crossdata 117 Easy access to big things. Library for Apache Spark extending and improving its capabilities oncue/knobs 116 A reasonable configuration library for Scala scalaprops/scalaprops 116 property based testing library for Scala cloudera-labs/SparkOnHBase 114 SparkOnHBase axel22/Ctries 114 Scala implementation of the Ctrie datastructure. chenkelmann/actuarius 114 A markdown processor for the JVM written in Scala. scala-ide/scala-ide-play2 113 Play 2 support for Scala IDE ThoughtWorksInc/Binding.scala 113 Reactive data-binding for Scala geeksville/arduleader 113 An android ground controller (and other things) for Mavlink/Arduplane dwhjames/datomisca 113 Datomisca: a Scala API for Datomic apache/incubator-toree 112 Mirror of Apache Toree (Incubating) graphframes/graphframes 112 lihaoyi/SprayWebSockets 112 An implementation of a websocket server on top of spray.io xerial/sbt-sonatype 112 A sbt plugin for publishing Scala/Java projects to the Maven central. guillaumebort/scasm 111 A a dynamic x86_64 assembler in Scala — Code for the live coding session @ Devoxx france 2016 tresata/ganitha 110 scalding powered machine learning EventStore/EventStore.JVM 110 Event Store JVM Client echen/scaldingale 110 Movie recommendations and MOAR in MapReduce and Scalding stew/dogs 109 data structures for pure functional programming in scala. see the completely incomplete documentation website: timperrett/lift-in-action 109 Source code for the book "Lift in Action", publishing on Manning Q4 2011 foursquare/slashem 109 A rogue-like DSL for querying SOLR huawei-noah/streamDM 108 Stream Data Mining Library for Spark Streaming roboscala/sbt-robovm 108 An sbt plugin for iOS development in Scala deeplearning4j/nd4s 108 ND4S: N-Dimensional Arrays for Scala. Scientific Computing a la Numpy. Based on ND4J. planet42/Laika 108 Text Markup Transformer for sbt and Scala applications wookietreiber/scala-chart 107 Scala Chart Library djspiewak/cccp 107 Common Colaborative Coding Protocol pjay/plush 106 Push notifications for mobile apps - built on the Typesafe stack to ensure scalability pablosmedina/ckite 106 CKite - A JVM implementation of the Raft distributed consensus algorithm written in Scala practical-microservices/practical-microservices-code 106 Source code for the book practical microservices julienrf/play-jsmessages 106 Library to compute localized messages of your Play application on client side folone/poi.scala 106 Excel meets scalaz melrief/pureconfig 105 A boilerplate-free library for loading configuration files unicredit/hbase-rdd 105 Spark RDD to read and write from HBase berkeley-cs186/course_sp15 105 Official repository for CS 186 assignments Intel-bigdata/spark-streamingsql 105 Manipulate Spark-streaming by SQL pathikrit/dijon 105 A Dynamically Typed Scala Json Library swagger-api/swagger-play 105 utcompling/applied-nlp 105 Course repository for Applied Natural Language Processing widok/widok 104 Reactive web framework for the JVM and Scala.js ornicar/scalachess 104 Chess API written in scala. Immutable and free of side effects. mbknor/ddsl 104 DDSL - Dynamic Distributed Service Locator lancewalton/treelog 104 Allows logging in a tree structure so that comprehensive logging does not become incomprehensible muuki88/sbt-native-packager-examples 104 A set of sbt-native-pakager examples knutwalker/typed-actors 103 compile-time typechecked akka actors gideondk/Raiku 103 A non-blocking - Akka IO driven - Riak client for Scala with a cute DSL softprops/bintray-sbt 103 fresh packages delivered from your sbt console dcaoyuan/aiotrade 102 A Trading Platform lihaoyi/acyclic 102 Acyclic is a Scala compiler plugin to let you prohibit circular dependencies between files pauldijou/jwt-scala 102 JWT support for Scala. Bonus extensions for Play JSON and Json4s tresata/spark-kafka 101 Low level integration of Spark and Kafka sbt/sbt-atmos 101 sbt plugin for running Typesafe Console in development rssh/scala-gopher 101 Implementation of CSP constructors (Communication Sequence Process, i.e. go-like channels) in scala meetup/archery 101 2D R-Tree implementation in Scala stephenjudkins/pureimage 100 puts the "fun" in "functional raster image processing" reactors-io/reactors 100 A concurrent reactive programming framework. SpinGo/op-rabbit 100 The Opinionated RabbitMQ Library for Scala and Akka bplawler/crawler 99 Scala DSL for web crawling strongtyped/fun-cqrs 99 Small library for building CQRS application using Scala in combination with Akka. jlitola/play-sass 99 Sass asset handling for Play Framework 2.0 t2v/stackable-controller 99 Composable Action composition framework for Play2.x smootoo/freeslick 99 Open source Slick drivers for commercial databases. Includes MS SQLServer, Oracle 11g and DB2. Kaliber/play-s3 99 S3 module for Play adamw/reactmq 99 Reactive Message Queue tc/RMongo 99 R client to interface with MongoDB typelevel/machinist 98 Spire's macros for zero-cost operator enrichment Sciss/ScalaCollider 98 Base platform for Scala based SuperCollider client mrsqueeze/spark-hash 98 Locality Sensitive Hashing for Apache Spark tristanjuricek/knockoff 98 A Markdown parser + object model in scala debasishg/cqrs-akka 98 An implementation of CQRS using scalaz for functional domain models and Akka for event sourcing magarciaEPFL/scaladotnet 98 Scala SDK (compiler and standard library) for .NET concurrent-programming-in-scala/learning-examples 97 Code examples for the book Learning Concurrent Programming in Scala yawaramin/scala-modules 97 Experimental implementations of ML-style modules in Scala playframework/play-websocket-java 97 Example Play application showing Java Websocket use with Akka actors tribbloid/ISpark 97 An Apache Spark-shell backend for IPython w11k/scalamodules 97 ScalaModules is an elegant and intuitive domain specific language for OSGi development written in the Scala programming language. prnicolas/ScalaMl 97 Source code, data files and utilities related to "Scala for Machine Learning" teamon/akka.js 97 akka actors for java script NICTA/rng 97 Pure-functional random value generation scala-records/scala-records 96 Labeled records for Scala based on structural refinement types and macros. sbt/sbt-protobuf 96 sbt 0.13 plugin for compiling protobuf files softprops/retry 95 because you should never give up, at least not on the first try ooyala/metrics_storm 95 Easy metrics collection for Storm topologies using Coda Hale Metrics Nutomic/ensichat 95 Decentralized instant messenger for Android sbt/sbt-site 95 Site generation for SBT ilya-klyuchnikov/tapl-scala 95 Code of "Types and Programming Languages" book in Scala sbt/sbt-site 95 Site generation for SBT cjmx/cjmx 95 Command line JMX library Nycto/Hasher 95 A small Scala library for easily generating hashes (md5, sha1, sha256, sha512, crc32, bcrypt, hmacs, pbkdf2) hussachai/play-scalajs-showcase 95 Play+Scala.js Showcase propensive/rapture 94 Rapture kxbmap/configs 94 Scala wrapper for Typesafe config softprops/courier 93 send electronic mail with scala mongodb/mongo-scala-driver 93 cloudera/livy 93 Livy is an open source REST interface for interacting with Apache Spark from anywhere KyleU/boilerplay 93 Using the latest technology in the Scala ecosystem, Boilerplay is a reactive web application built on Play 2.4, ScalaJS, Silhouette, and postgres-async. It provides a good starting point for whatever you want to build. mhamrah/akka-docker-cluster-example 92 An example akka-cluster project with docker support sjrd/scala-js-actors 92 Actor system for Scala.js joescii/lift-ng 92 lift-ng is the most powerful, most secure AngularJS backend available today lucidsoftware/relate 92 krasserm/streamz 92 A scalaz-stream combinator library for Apache Camel, Akka Persistence and Akka Stream MfgLabs/akka-stream-extensions 92 Extensions for Akka Stream storm-enroute/coroutines 92 Scala coroutines implementation. iheartradio/kanaloa 92 A set of work dispatchers implemented using Akka actors with auto scaling, back pressure, circuit breaker and realtime monitor. whisklabs/docker-it-scala 91 Docker integration testing kit with Scala collectivemedia/spark-ext 91 Spark Extension : ML transformers, SQL aggregations, etc that are missing in Apache Spark chrisdinn/brando 91 A Redis client written with Akka's IO package ornicar/scalex 91 [abandoned] Hoogle-like documentation search engine, for scala underscoreio/doodle 91 Compositional vector graphics in Scala / Scala.JS foundweekends/pamflet 90 a publishing application for short texts DrewEaster/realtime-search 90 Demonstration using Play!, Akka, AngularJS and Elasticsearch to perform real-time log entry search earldouglas/scala-scratchpad 90 A scratchpad for Scala code. twbs/rorschach 90 Bootstrap pull request sanity checker bot kclay/rethink-scala 90 Scala Driver for RethinkDB plokhotnyuk/actors 90 Evaluation of API and performance of different actor libraries Primetalk/SynapseGrid 90 SynapseGrid is a framework for constructing reactive real-time immutable data flow systems. tixxit/framian 90 Framian HouzuoGuo/schale 89 A subprocess interface for Scala tribbloid/spookystuff 89 Scalable query engine for web scrapping/data mashup/acceptance QA, powered by Apache Spark pocorall/hello-scaloid-sbt 89 A "Hello, world" of Scaloid for sbt. cloudml/zen 89 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. mgonto/factory_pal 88 A Scala framework for creating objects as test data. Say no to Mocks nraychaudhuri/scalainaction 88 Code examples from scala in action book manuelbernhardt/reactive-web-applications 88 Sources of the sample applications of the Reactive Web Application book agemooij/riak-scala-client 88 An easy to use, non-blocking, fast Scala client library for interacting with Riak. tototoshi/play-flyway 88 Flyway plugin for Play >= 2.1 akisaarinen/rillit 88 Boilerplate-free Functional Lenses for Scala 2.10 japgolly/nyaya 88 Random Data Generation and/or Property Testing in Scala & Scala.JS. jasongoodwin/authentikat-jwt 87 JWT Scala Implementation - Claims based auth for Scala. mwunsch/handlebars.scala 87 A Scala implementation of the Handlebars templating language (a superset of Mustache). w11k/slf4s 87 Simple Scala facade for SLF4J markchadwick/graphite-relay 87 A fast Graphite relay Atigeo/jaws-spark-sql-rest 87 sjrd/scala-js-ts-importer 87 TypeScript Importer for Scala.js databricks/spark-corenlp 87 CoreNLP wrapper for Spark dwhjames/aws-wrap 87 Asynchronous Scala Clients for Amazon Web Services tkawachi/sbt-doctest 87 Doctest for scala johnynek/inliner 87 scala macros to inline idiomatic scala for maximum performance 47deg/scala-days-android 87 Official Android app for Scala Days scala-ide/scala-worksheet 86 A Scala IDE plugin for a multi-line REPL (called worksheet) sirthias/scala-benchmarking-template 86 SBT template project for creating Scala (micro-)benchmarks based on Caliper debasishg/frdomain 86 Code repo for Functional and Reactive Domain Modeling scalamacros/paradise 86 Let our powers combine! chandu0101/scalajs-react-components 86 Reusable scalajs-react components GenslerAppsPod/scalavro 86 A reflection-based Avro library in Scala. sisioh/scala-dddbase 86 Scala Library for Domain Driven-Design playframework/anorm 86 The Anorm database library ArchDev/akka-http-rest 86 Example of reactive REST service written on akka-http with slick fehmicansaglam/tepkin 85 Reactive MongoDB Driver for Scala snowplow/scalding-example-project 85 The Scalding WordCountJob example as a standalone SBT project with Specs2 tests, runnable on Amazon EMR nrinaudo/kantan.csv 85 CSV handling library for Scala scalastyle/scalastyle-sbt-plugin 85 scalastyle-sbt-plugin jorgeortiz85/scala-javautils 85 An set of utilities for dealing with Java and Scala collections. couchbase/couchbase-spark-connector 84 The Official Couchbase Spark Connector holdenk/elasticsearchspark 84 Elastic Search on Spark anvie/blueprints-scala 84 Tinkerpop Blueprints Scala twitter/sbt-package-dist 83 sbt 11 plugin codifying best practices for building, packaging, and publishing knowitall/ollie 83 Ollie is a open information extractor that uses bootstrapped dependency paths. sjrd/ozma 83 Extending Scala with Oz Concurrency knowitall/nlptools 83 A toolkit that wraps various natural language processing implementations behind a common interface. bretthoerner/dropwizard-scala 83 Scala helpers for Dropwizard. jroper/play-iteratees-extras 83 Extra iteratees for Play unicredit/akka.js 83 Akka, in Scala.js typesafehub/migration-manager 82 amplab/velox-modelserver 82 intentmedia/mario 82 Functional, Typesafe, Declarative Data Pipelines typelevel/discipline 82 Flexible law checking for Scala scala-hamsters/hamsters 81 A mini Scala utility library JetBrains/intellij-sbt 81 SBT support in IntelliJ IDEA vivekn/autocomplete 81 Tries for efficient automatic word completion in Python, C++, Ruby & Java. typesafehub/activator-akka-distributed-workers 81 Typesafe Activator template for distributed workers with Akka cluster. iheartradio/play-swagger 80 Swagger spec generator for play framework musk/SbtEclipsify 80 Sbt plugin for creating eclipse project and classpath files for sbt projects sbt/sbt-fresh 80 sbt-plugin to create an opinionated fresh sbt project oncue/quiver 80 A reasonable library for modeling multi-graphs in Scala dcbriccetti/talking-puffin 80 dcbriccetti TiarkRompf/lancet 80 surgical precision JIT compilers epfl-lara/leon 80 The Leon system for verification, synthesis, and more. bokeh/bokeh-scala 80 Scala bindings for Bokeh plotting library ThoughtWorksInc/each 80 A macro library that converts native imperative syntax to scalaz's monadic expressions garyaiki/Scala-Algorithms 80 Scala translations of Robert Sedgewick's Java Algorthms mesosphere/elasticsearch-mesos 80 Elastic Search on Mesos debasishg/scouchdb 79 CouchDB Driver and View Server in Scala gphat/wabisabi 79 Scala Asynchronous ElasticSearch HTTP Client edulify/play-hikaricp.edulify.com 79 HikariCP Plugin for Playframework 2.2.x and 2.3.x djspiewak/extreme-cleverness 79 A set of functional collections created, ported and modified for my tak at NE Scala 2011 Stratio/Spark-RabbitMQ 79 RabbitMQ Spark Streaming receiver softprops/picture-show 79 slip and slide picture shows for the web alvaroc1/s2js 78 Scala to Javascript compiler lloydmeta/schwatcher 78 File-watching library for Scala. Built on Java 7's WatchService, RxScala and Akka actors. vert-x/mod-lang-scala 78 A vert.x language implementation in Scala ReifyIt/basis 78 Experimental foundation library for Scala focussed on efficiency and clean design VirtusLab/unicorn 78 Small Slick library for type-safe id handling sirthias/swave 78 A lightweight Reactive Streams implementation in Scala. harrah/sbinary 78 Library for describing binary formats for Scala types pbudzik/bytecask 78 Key/value database inspired by Bitcask scalafx/scalafx-ensemble 77 scalafx ensemble scalapenos/stamina 77 Schema evolution for akka-persistence JerryLead/SparkLearning 77 Learning to write Spark examples jrudolph/speed 77 Looping like a pro milessabin/kittens 77 Automatic type class derivation for Cats memsql/memsql-spark-connector 76 A connector for MemSQL and Spark stanch/unzimm 76 Materials for my talk “Unzipping Immutability” rschildmeijer/loft 76 oxlade39/STorrent 76 BitTorrent client written in Scala using Akka lucperkins/spray-akka-slick-postgres 76 Spray + Akka + Slick + Postgres (simple web service) wacai/config-annotation 76 A refactor-friendly way to use typesafe's config by scala macro annotation VaughnVernon/ReactiveMessagingPatterns_ActorModel 76 The examples for the book "Reactive Messaging Patterns with the Actor Model--Applications and Integration in Scala and Akka" mdedetrich/soda-time 76 Scala/Scala.js port of JodaTime to Scala/Scala.js fractal/skeleton 76 Simple Scala project template bytedeco/javacv-examples 76 Examples of using JavaCV / OpenCV library on Java Virtual Machine leithaus/XTrace 75 An XML-validation-based trace validator Sergey80/scala-samples 75 There are pieces of scala code that explain Scala syntax and features mohiva/play-html-compressor 75 Google's HTML Compressor for Play Framework 2 snowplow/spark-example-project 75 A Spark WordCountJob example as a standalone SBT project with Specs2 tests, runnable on Amazon EMR gre/playCLI 75 Play Framework Iteratees + UNIX pipe library ucb-bar/rocket 75 Rocket Microarchitectural Implementation of RISC-V ISA spirom/LearningSpark 75 Scala examples for learning to use Spark twitter/naggati2 75 Protocol builder for netty using scala (DEPRECATED) hoisted/hoisted 74 The Hoisted Content Management System that sits on top of Lift hseeberger/constructr 74 Coordinated (etcd, ...) cluster construction for dynamic (cloud, containers) environments BaiGang/spark_multiboost 74 An implementation of the multi-class/multi-label classifier, of which the training is carried out using AdaBoost.MH on Apache Spark. gzoller/ScalaJack 74 Fast JSON parser/generator for Scala sbt/sbt-header 74 sbt-header is an sbt plugin for creating file headers, e.g. copyright headers lrytz/efftp 74 sbt/sbt-groll 74 sbt plugin to roll the Git history agourlay/omnibus 73 An HTTP-friendly persistent message bus. quantifind/Sumac 73 Argument parsing in Scala bmatheny/finagle-starter-kit 73 Getting started with Finagle heroku/sbt-heroku 73 An sbt plugin for deploying Heroku Scala applications RayRoestenburg/scala-io-exercise-1 73 ScaleChain/scalechain 73 A customizable blockchain implementation for private blockchains. bmc/grizzled-scala 73 A general-purpose library of miscellaneous stuff for Scala. chrisloy/akka-ec2 73 Example setup of an Akka cluster in an Amazon EC2 AutoScaling group MonsantoCo/cloudformation-template-generator 73 A type-safe Scala DSL for generating CloudFormation templates lihaoyi/scala-js-fiddle 73 Source code for Scala.jsFiddle Atry/fastring 73 Extremely fast string formatting reidarsollid/RustyCage 72 Eclipse plugin for Rust-lang. lift/examples 72 Lift Examples sbt/sbt-scalabuff 72 SBT plugin which generate case classes and support for serialization from Google Protocol Buffer definitions using ScalaBuff nerdammer/spark-hbase-connector 72 Connect Spark to HBase for reading and writing data with ease heathermiller/spores 71 Scala Spores, safe mobile closures. melrief/PureCSV 71 A type-safe and boilerplate-free CSV library for Scala bobye/neuron 71 Scala library for neural networks hrj/abandon 71 :relieved: Smart, Simple and Robust Accounting gre/screenshot-webservice 71 [WIP current state : waiting for PhantomJS bugfix] Screenshot Webservice is an open-source REST web service to perform web page screenshots. ngocdaothanh/cleakka 71 Cluster memory cache based on sun.misc.Cleaner and Akka vmunier/sbt-play-scalajs 71 SBT plugin to use Scala.js along with Play Framework. mybatis/scala 71 The Scala version of MyBatis SQL Mapper cvogt/compossible 71 Scala Records: Extensible records and type-indexed maps chop-dbhi/dataexpress 71 [NOT MAINTAINED] DataExpress is a simple, Scala-based cross database ETL toolkit supporting Postgres, MySql, Oracle, SQLServer, and Sqlite underscoreio/essential-macros 71 Examples of simple Scala Macros theatrus/akka-quartz 70 Because using Camel to schedule Akka actors is silly typelevel/shapeless-contrib 70 Interoperability libraries for Shapeless aloiscochard/sindi 70 Sindi - An IoC Container for Scala t3hnar/scala-bcrypt 70 Scala wrapper for jBcrypt + pom.xml inside ReactiveDesignPatterns/CodeSamples 70 Code snippets appearing in the book are excerpts from these complete and tested samples. ajhager/libgdx-sbt-project.g8 70 A g8 template for developing Scala games using libgdx. sclasen/akka-zk-cluster-seed 70 chris-twiner/scalesXml 70 Alternate Scala XML library netvl/picopickle 70 A simple yet extensible shapeless-based serialization library MfgLabs/commons-aws 69 Streaming / asynchronous Scala client for common AWS services bamos/girl 69 Check your GitHub READMEs for broken links. ldaniels528/trifecta 69 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. bioscala/bioscala 69 Bioinformatics for the Scala programming language acrosa/Scala-TwitterStreamer 69 Scala client for the Twitter streaming api non/chain 69 Simple, efficient wrapper for fast concatenation/iteration. julienrf/play-json-derived-codecs 69 lihaoyi/hands-on-scala-js 68 Better documentation for Scala.js scalding-io/ProgrammingWithScalding 68 Programming MapReduce with Scalding eed3si9n/treehugger 68 treehugger.scala is a library to code Scala programmatically. storm-enroute/macrogl 68 Scala macro-based frontend for OpenGL for structured and efficient graphics code. scala/scala-xml 68 The standard Scala XML library. dbpedia/lookup 68 Outputs a list of ranked DBpedia resources for a search string. akka/akka-modules 68 Akka Modules Repository jstrachan/scopt 67 simple scala command line options parsing gseitz/Lensed 67 in your case bmc/argot 67 A command-line parser for Scala xdotai/play-json-extensions 67 +22 field case class formatter and more for play-json GraphChi/graphchiDB-scala 67 *Experimental* GraphChi-DB graph database with computational capabilities mikeyhu/scaladiagrams 67 Generate class diagrams from scala source code alexanderjarvis/DubSub 66 Distributed PubSub with Akka Cluster redeyes/redeyes 66 The repository for RedEyes core. scala-yinyang/scala-yinyang 66 Library for deep embedding of DSLs based on Scala macros. fommil/spray-json-shapeless 66 :sparkles: Shapeless JsonFormats for spray-json vznet/play-mongo-jackson-mapper 66 MongoDB Jackson Mapper Play 2.0 Module msgpack/msgpack-scala 66 MessagePack serializer implementation for Scala / msgpack.org[Scala] adamw/xsbt-proguard-plugin 66 A plugin for XSBT to facilitate the use of ProGuard to create single jars for XSBT-managed projects leanovate/play-mockws 66 Mock WS client for Play Framework koeninger/kafka-exactly-once 66 lihaoyi/scala-js-games 66 Some simple games ported to Scala-Js cirg-up/cilib 65 Typesafe, functional and pure Computational Intelligence library boundary/overlock 65 Boundary's suite of concurrent scala utilities. webjars/webjars-play 65 runarorama/Malakov 65 Markov Chains for Scala gatling/gatling-sbt 65 Gatling SBT plugin sjyk/sampleclean-async 65 chandu0101/scalajs-react-native 65 build native mobile applications using scala.js and react-native - please check https://github.com/chandu0101/sri where future work is going to take place :) apis-json/api-json 65 APIS.json an API discovery format scoverage/sbt-coveralls 65 Sbt plugin for uploading Scala code coverage to coveralls alexarchambault/argonaut-shapeless 65 Automatic argonaut codec derivation with shapeless dozed/fink 65 fink -- a scala based cms ponkotuy/MyFleetGirls 64 KanColle Public View Tool laforge49/Asynchronous-Functional-Programming 64 Fast actors using replies without future, actor-based functional programming with keyed sequences, and an versioned graphicl database. harrah/up 64 slick/slick-codegen-example 64 valotrading/zeromq-scala-binding 64 Scala binding for ZeroMQ mandubian/play-json-zipper 64 play-json-zipper klout/scoozie 64 Scala DSL on top of Oozie XML skrusche63/spark-fm 64 Reactive Factorization Engine felipehummel/TinySearchEngine 64 Vector space model implemented in a few lines jberkel/gist-it 63 Android gist API client written in Scala http4s/blaze 63 Blazing fast NIO2 microframework and Http Parser sbt/jacoco4sbt 63 JaCoCo Code Coverage plug-in for sbt. oermolaev/simple-scala-rest-example 63 Example of simple REST Service on Scala mkuthan/example-spark 63 Spark, Spark Streaming and Spark SQL unit testing strategies ephox/vault 63 Database API mumoshu/play2-typescript 63 TypeScript assets handling for Play 2.0. Compiles .ts files under the /assets dir along with the project. rsertelon/android-keystore-recovery 63 A tool to recover your lost Android keystore password flyway/flyway-play 63 Play modules for Flyway pocorall/scaloid-apidemos 63 A Scala port of well-known ApiDemos for Android spring-projects/spring-integration-dsl-scala 62 Spring Integration Scala DSL zilverline/event-sourced-blog-example 62 Example Scala blog application using event sourcing, memory image, and the Play! 2.0 framework. runarorama/latr 62 A scala macro for reasonable lazy semantics sbt/sbt-remote-control 62 Create and manage sbt process using unicorns and forks NLP4L/nlp4l 62 NLP tool for Lucene travisbrown/iteratee 62 Iteratees for cats ReactiveCouchbase/ReactiveCouchbase-core 62 Core library for ReactiveCouchbase danluu/storrent 62 Scala/akka Bittorrent client CommBank/maestro 61 Well-typed data pipeline framework for building robust ETL jobs jokade/scalajs-angulate 61 ScalaJS binding for AngularJS. alexarchambault/case-app 61 Type-level & seamless command-line argument parsing for Scala broadinstitute/cromwell 61 Workflow Execution Engine using WDL sgodbillon/reactivemongo-tailablecursor-demo 61 Tailable Cursors through WebSockets with ReactiveMongo and Play 2.0 timcharper/reactive-viz 61 Reactive streams (akka-streams) visualizer dnvriend/akka-persistence-jdbc 61 Asynchronously writes journal and snapshot entries to configured JDBC databases so that Akka Actors can recover state robey/smile 61 actor-based memcache client library moonpolysoft/scromium 61 An idiomatic scala library for interacting with cassandra cage433/maker 61 How hard could it be to replace SBT? wsargent/play-shiro 61 An example of how to integrate Play 2.x with Shiro 47deg/func-architecture-v3 61 Purely functional architectural patterns v3 sbt/sbt-unidoc 61 sbt plugin to create a unified API document across projects Sotera/correlation-approximation 61 Spark implementation of the Google Correlate algorithm to quickly find highly correlated vectors in huge datasets jsuereth/scala-in-depth-source 61 The source code for the Scala In Depth book. payola/Payola 61 RDF framework ucb-bar/riscv-sodor 61 educational microarchitectures for risc-v isa scalan/scalan 61 Generic framework for development of domain-specific compilers in Scala anurag/stripe-scala 60 Stripe Scala Library ddispaltro/sbt-reactjs 60 React SBT Plugin using npm mesosphere/sssp 60 S3 Proxy Mesos Framework playframework/prune 60 Performance testing tool for Play Framework adrianhurt/play-api-rest-seed 60 This Play 2.4 template tries to be a skeleton for a simple Json API REST. Please, check the readme file for more details. derekjw/fyrie-redis 60 A Redis client written in Scala, using Akka actors and non-blocking IO. Supports Redis 2.2. oncue/journal 60 A reasonable logging library for Scala NetSys/demi 60 Interposition code for DEMi (Distributed Execution Minimizer) non/imp 60 macro for summoning implicit values dicarlo2/ScalaEquals 60 ScalaEquals. Never look up an equals/hashCode recipe again! ktonga/reactive-turtle 60 Scala and Akka for kids. A Functional Programming approach for the well known LOGO. comeara/pillar 59 Pillar manages migrations for your Cassandra data stores. hammerlab/guacamole 59 Spark-based variant calling, with experimental support for multi-sample somatic calling (including RNA) and local assembly groz/interviews 59 Solutions to popular job interview problems in Scala jdegoes/lambdaconf-2014-introgame 59 Online material for the Introduction to Functional Game Programming with Scala workshop. gre/zound 59 Zound, a PlayFramework 2 audio streaming experiment using Iteratees jpersson/prequel 59 because SQL is a pretty good abstraction already typelevel/scalaz-contrib 59 Interoperability libraries & additional data structures and instances for Scalaz n8han/spde-examples 58 Example projects in Spde, a Scala toolkit for Processing.org manish-in-java/spring-security-rest 58 Using Spring Security to secure REST API endpoints VerbalExpressions/ScalaVerbalExpressions 58 eigengo/activator-akka-cassandra 58 Activator template showing Cassandra in Akka SparklineData/spark-druid-olap 58 aloiscochard/enum-paradise 58 Scala enumeration implementation using type macros guardian/prout 58 Looks after your pull requests, tells you when they're live atnos-org/eff-scalaz 58 Monadic effects in Scala sbt/sbt-pgp 58 PGP plugin for SBT 0.12+ jroper/erqx 58 godenji/play-faster 58 Play development without the hair pulling kifi/json-annotation 58 The quickest way to add a JSON format to your Play project's case classes buttercoin/engine 58 Buttercoin Trade Engine slamdata/matryoshka 58 Generalized recursion schemes and traversals for Scala. sattvik/baitha 58 Baiṭha: The Scala/Android Toolkit gavia/subsearch 58 A tool for discovering subdomains via third party services and wordlists. Normation/rudder 58 improbable-public/internet-simulation 58 A full-scale simulation of the Internet based on the Border Gateway Protocol (BGP), built on SpatialOS lift/modules 57 Lift Modules shivawu/sbt-maven-plugin 57 A sbt plugin which reads project definitions from pom.xml scala-js/scala-js-jquery 57 jQuery facade types for Scala.js mohiva/play-silhouette-seed 57 The Silhouette Seed project is an Activator template which shows how Silhouette can be implemented in a Play Framework application. KKBOX/spark-deployer 57 Deploy Spark cluster in an easy way. kifi/multiproject 57 A modular Play 2.3 application using multi-projects michelou/android-examples 57 Android samples written in Scala dpp/lift-samples 57 Samples of lift-based applications stackmob/scalamachine 57 Webmachine in Scala Log4s/log4s 57 High-performance SLF4J wrapper for Scala. gregdurrett/berkeley-entity 57 The Berkeley Entity Resolution System jointly solves the problems of named entity recognition, coreference resolution, and entity linking with a feature-rich discriminative model. finagle/featherbed 57 Asynchronous Scala HTTP client using Finagle, Shapeless and Cats ReactiveDesignPatterns/Chapter-2 57 Code from the second chapter of the RDP book softprops/ls 57 a scala card catalog deanwampler/scala-hadoop 57 Using Hadoop with Scala djspiewak/sparse 56 Generalized, incremental parser combinators for scalaz-stream okumin/akka-persistence-sql-async 56 A journal and snapshot store plugin for akka-persistence using RDBMS. kaeawc/play-cake-pattern 56 Play! Scala cake pattern implementation softprops/coffeescripted-sbt 56 pour some coffee for scala takezoe/solr-scala-client 56 Solr Client for Scala zalando/play-swagger 56 Provides Swagger support for the Play-Framework valyard/scala-processing-examples 56 lloydmeta/metascraper 56 Scala library for scraping metadata from specified URLs (e.g. OpenGraph) ironfish/akka-persistence-mongo 56 An Akka Persistence Plugin for Mongo shikhar/eskka 56 elasticsearch discovery plugin using akka cluster - NO LONGER MAINTAINED scassandra/scassandra-server 56 Stubbed Cassandra alexandru/shade 56 Memcached client for Scala Imaginatio/REL 56 A Regular Expression composition Library valotrading/stirling 56 Stirling, an open source electronic trading library for the JVM fxthomas/sshbeam 55 A simple app that sends files to a remote server via SFTP (SSH File Transfer Protocol) ReactiveMongo/ReactiveMongo-Extensions 55 Extensions for ReactiveMongo almoehi/reactive-docker 55 A fully reactive scala client for the docker remote API. rst/positronic_net 55 Android programming in Scala, with less boilerplate. Better brains for your droids! cloudera/spark-kafka-writer 55 leithaus/SpecialK 55 DataLog meets NoSql storm-enroute/mecha 55 SBT workflow plugin for development, testing and publishing of multiple project repositories simultaneously. erikvanoosten/sentries 55 Sentries - For easy fault handling in Scala programs pk11/sedis 55 a thin scala wrapper for jedis (https://github.com/xetorthio/jedis) Stratio/stratio-connector-hdfs 55 HDFS FurongHuang/SpectralLDA-TensorSpark 55 Quick summary: This code implements a spectral (third order tensor decomposition) learning method for learning LDA topic model on Spark. nodeta/scalandra 55 Scala wrapper for Cassandra DB googlegenomics/spark-examples 55 Apache Spark jobs such as Principal Coordinate Analysis. adrianhurt/play-multidomain-auth 55 This is a second part of play-multidomain-seed project. This project tries to be an example of how to implement an Authentication and Authorization layer using the Silhouette authentication library wasted/netflow 55 Scala/Netty Netflow Collector used at wasted.io stomp/stomp-spec 55 Stomp Protocol Specification databricks/spark-sql-perf 55 hempalex/scala-impatient 55 My solutions for "Scala for the Impatient" exercises derrickburns/generalized-kmeans-clustering 54 This project generalizes the Spark MLLIB Batch and Streaming K-Means clusterers in every practical way. hootsuite/akka-persistence-redis 54 typesafehub/dbuild 54 Multi-project build tool, based on sbt. stackmob/scaliak 54 Riak Scala Client timperrett/lift-shiro 54 Lift Integration with the Shiro security framework rguderlei/spray-example 54 simple demo for spray/akka etorreborre/s99 54 maxcellent/lamma 54 Lamma schedule generator for Scala is a professional schedule generation library for periodic schedules like fixed income coupon payment, equity deravitive fixing date generation etc. mandubian/play-actor-room 54 A Room manager for Play Framework 2.2 based on WebSocket & Bots softprops/sbt-growl-plugin 54 Growling sbt test results so you don't have to newca12/scala-netty-examples 54 Scala port of the examples from Jboss Netty distribution http4s/rho 54 A self documenting DSL built on http4s epfl-lara/ScalaZ3 54 Binders and more to the Z3 SMT solver for Scala travisbrown/type-provider-examples 54 Macro-based type providers for Scala (examples) tuplejump/calliope-release 53 The repository for the G.A. codebase for Calliope. For the E.A. codebase request an early access to the development repo, http://tuplejump.github.io/calliope/ goldmar/bitcoin-akka 53 a client to btcwallet, written in Scala and built on akka fozziethebeat/TopicModelComparison 53 Scripts and codes for replicating experiments published in Exploring Topic Coherence over many models and many topics chimpler/blog-spark-streaming-log-aggregation 53 Example of use of Spark Streaming with Kafka tomerd/scala-xmpp 53 A scala based xmpp framework skipoleschris/xsbt-cucumber-plugin 53 Plugin to integrate Cucumber and Cuke4Duke into XSBT adamw/scala-macro-debug 53 Scala macros for making debugging easier twitter/grabby-hands 53 A JVM Kestrel client that aggregates queues from multiple servers. Implemented in Scala with Java bindings. In use at Twitter for all JVM Search and Streaming Kestrel interactions. earldouglas/scala-cats 53 Hands-on Category Theory in Scala RichRelevance/scalaz-netty 53 A minimalist wrapper for Netty in terms of scalaz-stream ephox/argonaut 53 JSON library AtomicScala/atomic-scala-examples 53 Examples from the book "Atomic Scala" 2nd Edition by Bruce Eckel & Dianne Marsh digital-preservation/csv-validator 53 CSV Validation Tool and API (CSV Schema RI) mdr/ascii-graphs 53 Parse ASCII art diagrams of graphs (nodes and edges) OlegYch/scastie 53 Scala pastebin ebiznext/slick-macros 52 Slick Macros truerss/truerss 52 convenient web rss-reader w3c/validator-suite 52 Validator Suite sstone/akka-amqp-proxies 52 Akka AMQP proxies Cascading/scalding-tutorial 52 The Scalding tutorial as a standalone SBT project codahale/logula 52 [ABANDONED] A Scala library which provides a sane log output format and an easy-to-use mixin for adding logging to your code. d40cht/sbt-cpp 52 Sbt plugin to allow native compilation of C and C++ Stratio/stratio-connector-sparkSQL 52 A crossdata connector to Spark SQL slick/play-slick-codegen 52 Using the Slick code generator to generate Slick and Play code javaBin/scala-training-code 52 Contains code necessary participate in the Scala training course. typesafehub/akka-js 52 Implementation of Akka Actors for Scala.js. adelbertc/frameless 52 Expressive types for Spark. bmdhacks/akka_whiteboard 52 bmc/classutil 52 Scala-friendly, fast class-finder library (using ASM under the covers) krasserm/scalaz-camel 52 A Scala(z)-based DSL for Apache Camel TiarkRompf/replhtml 51 Scala REPL with a nice HTML GUI spaced/scala-js-d3 51 d3 facade types for Scala.js HappyMelly/teller 51 Happy Melly Teller system vpatryshev/ScalaKittens 51 philcali/cronish 51 A cron dsl to be used anywhere and everywhere. bsamaripa/Wonderland-Scala-Katas 51 Scala port of gigasquid/wonderland-clojure-katas jorgeortiz85/linter 51 A linting compiler plugin ghostm/lift-omniauth 51 Omniauth for Lift greenTara/reactive-examples 51 Unofficial Scala worksheet examples to accompany the Coursera Reactive Programming course mesosphere/mesosaurus 51 Mesos task load simulator framework for (cluster and Mesos) performance analysis RadoBuransky/sonar-scoverage-plugin 51 Sonar plugin for Scala statement coverage tool jmparsons/play-scala-backbone-todo 51 Built on Play Framework, Slick, Backbone, Webjars, RequireJS, CoffeeScript and Dustjs using the H2 in-memory database.