Scala 2 compiler and standard library. For bugs, see scala/bug
A testing tool for Scala and Java developers
The Scala 3 compiler, also known as Dotty.
Build highly concurrent, distributed, and resilient message-driven applications on the JVM
Property-based testing for Scala
Statically typed DOM API for Scala.js
Lightweight, modular, and extensible library for functional programming.
Software Specifications for Scala
Yet another JSON library for Scala
The pure asynchronous runtime for Scala
Apache Spark - A unified analytics engine for large-scale data processing
Convenient and performant logging library for Scala wrapping SLF4J.
Generic programming for Scala
The Streaming-first HTTP server/module of Akka
Scala testing library with actionable errors and extensible APIs
The Play JSON library
makes some Scala 2.13 APIs (primarily collections, also some others) available on 2.11 and 2.12, to aid cross-building