Scala 2 compiler and standard library. Scala 2 bugs at https://github.com/scala/bug; Scala 3 at https://github.com/scala/scala3

A fault tolerant, protocol-agnostic RPC system

sbt, the interactive build tool

Wonderful reusable code from Twitter

Scala Scripting

Fast, testable, Scala services built on TwitterServer and Finagle

Scala language server with rich IDE features 🚀

Optics library for Scala

Scala combinator library for building Finagle HTTP services

Twitter-Server defines a template from which services at Twitter are built

Purely Functional Algorithms and Data Structures in Scala

Code formatter for Scala

A JVM written in Scala

Bloop is a build server and CLI tool to compile, test and run Scala fast from any editor or build tool.

RxScala – Reactive Extensions for Scala – a library for composing asynchronous and event-based programs using observable sequences

Parallel collections standard library module for Scala 2.13+

ScalaJS bindings for Chrome Extention/App and ChromeOS APIs

Scala language integration for Dropwizard

Static site generator as an SBT plugin

sbt plugin for deploying Scala apps to AWS Elastic Beanstalk.

Command-line tool to export a Pants build to Bloop