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Top Projects
9613apache/incubator-predictionio

PredictionIO, a machine learning server for developers and ML engineers. Built on Apache Spark, HBase and Spray.

5781PredictionIO/PredictionIO

5644playframework/playframework

5450scala/scala

The Scala programming language

5054takezoe/gitbucket

A GitHub clone powered by Scala which has easy installation and high extensibility

4970akka/akka

Akka Project

4717gitbucket/gitbucket

4182lhartikk/ArnoldC

Arnold Schwarzenegger based programming language

4170twitter/finagle

A fault tolerant, protocol-agnostic RPC system

2715twitter-archive/kestrel

simple, distributed message queue system (inactive)

2688apache/spark

2570twitter/kestrel

2460sbt/sbt

sbt, a build tool for Scala

2421twitter/diffy

Find potential bugs in your services with Diffy

2410twitter/flockdb

2406swagger-api/swagger-core

2304twitter/snowflake

Snowflake is a network service for generating unique ID numbers at high scale with some simple guarantees.

2208spray/spray

A suite of scala libraries for building and consuming RESTful web services on top of Akka: lightweight, asynchronous, non-blocking, actor-based, testable

2074scala-js/scala-js

Scala.js, the Scala to JavaScript compiler

2054scala-native/scala-native

Your favourite language gets closer to bare metal.

2024twitter/gizzard

A flexible sharding framework for creating eventually-consistent distributed datastores

1870twitter/scalding

1862pocorall/scaloid

Scaloid makes your Android code easy to understand and maintain.

1780MojoJolo/textteaser

TextTeaser is an automatic summarization algorithm.

1694ornicar/lila

The forever free, adless and open source chess server.

1690twitter/util

Wonderful reusable code from Twitter

1662twitter/summingbird

Streaming MapReduce with Scalding and Storm

1643scalaz/scalaz

1568gatling/gatling

1544scalatra/scalatra

1490snowplow/snowplow

1461mesos/spark

1430twitter/finatra

Fast, testable, Scala services built on Twitter-Server and Finagle

1250scalanlp/breeze

Breeze is a numerical processing library for Scala.

1153GravityLabs/goose

1146jaliss/securesocial

A module that provides OAuth, OAuth2 and OpenID authentication for Play Framework applications

1112twitter/algebird

Abstract Algebra for Scala

1104twitter/iago

A load generator, built for engineers

1086fpinscala/fpinscala

1083mesosphere/marathon

1072intel-analytics/BigDL

BigDL: Distributed Deep Learning Library for Apache Spark

1047slick/slick

994guardian/grid

The Guardian’s new image management system

987amplab/shark

Development in Shark has been ended.

969foundweekends/giter8

a command line tool to apply templates defined on Github

948ensime/ensime-server

ENhanced Scala Interaction Mode for text Editors (especially Emacs) Server Component

918milessabin/shapeless

900rickynils/scalacheck

Property-based testing for Scala

866mpeltonen/sbt-idea

860rtyley/bfg-repo-cleaner

842typelevel/cats

Lightweight, modular, and extensible library for functional programming.

839lift/framework

809Netflix/atlas

769filodb/FiloDB

Distributed. Columnar. Versioned. Streaming. SQL.

727mauricio/postgresql-async

Async, Netty based, database drivers for PostgreSQL and MySQL written in Scala

724twitter/ostrich

A stats collector & reporter for Scala servers

714laurilehmijoki/s3_website

698tumblr/colossus

I/O and Microservice library for Scala

683n8han/giter8

680PkmX/lcamera

679twitter/cassovary

677jdegoes/blueeyes

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.

675lihaoyi/Metascala

A JVM written in Scala

627circe/circe

Yet another JSON library for Scala

624non/spire

617unfiltered/unfiltered

A toolkit for servicing HTTP requests in Scala

615wartremover/wartremover

Flexible Scala code linting tool

615paypal/squbs

Akka/Spray for Large-Scale Production Deployments

602scala/async

An asynchronous programming facility for Scala

599json4s/json4s

A single AST to be used by other scala json libraries

589monix/monix

Asynchronous, Reactive Programming for Scala and Scala.js.

587lihaoyi/scala.rx

An experimental library for Functional Reactive Programming in Scala

582debasishg/scala-redis

A scala library for connecting to a redis server, or a cluster of redis nodes using consistent hashing on the client side.

567playframework/play-slick

Slick Plugin for Play

550kamon-io/Kamon

Reactive Applications Monitoring

535sbt/sbt-native-packager

SBT Native Packager

525typesafehub/sbteclipse

Plugin for sbt to create Eclipse project definitions

521skinny-framework/skinny-framework

:monorail: "Scala on Rails" - A full-stack web app framework for rapid development in Scala

520lw-lin/CoolplaySpark

酷玩 Spark: Spark 源代码解析、Spark 类库等

508nscala-time/nscala-time

A new Scala wrapper for Joda Time based on scala-time

506foursquare/rogue

A Scala DSL for MongoDB

497ReactiveMongo/ReactiveMongo

496jberkel/android-plugin

493ThoughtWorksInc/Binding.scala

Reactive data-binding for Scala

489locationtech/geotrellis

GeoTrellis is a geographic data processing engine for high performance applications.

486etorreborre/specs2

Software Specifications for Scala

485scala/pickling

481Astonex/Antox

Scala android client for Project Tox - secure p2p messaging

481gregdurrett/berkeley-doc-summarizer

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.

481mongodb/casbah

Officially supported Scala Driver for MongoDB

479scalaz/scalaz-stream

Compositional, streaming I/O library for Scala

474dlwh/breeze

Breeze is a library for numerical processing, machine learning, and natural language processing. Its primary focus is on being generic, clean, and powerful without sacrificing (much) efficiency. Breeze is the merger of the ScalaNLP and Scalala projects, because one of the original maintainers is unable to continue development. The Scalala parts are largely rewritten.

458NICTA/scoobi

452proflin/CoolplaySpark

酷玩 Spark: Spark 源代码解析、Spark 类库、Spark 代码等

445functional-streams-for-scala/fs2

Compositional, streaming I/O library for Scala

443salat/salat

440scalate/scalate

scala template engine: like JSP but without the crap and with added scala coolness

440foundweekends/conscript

Scala at your command

437sameeragarwal/blinkdb

BlinkDB: Sub-Second Approximate Queries on Very Large Data.

436lift/lift

Lift Web Framework legacy repo [Relocated to http://github.com/lift/framework, http://github.com/lift/modules]