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

The Scala 3 compiler, also known as Dotty.

sbt, the interactive build tool

Your favorite language gets closer to bare metal.

ZIO — A type-safe, composable library for async and concurrent programming in Scala

A better build tool for Java, Scala and Kotlin: 3-6x faster than Maven or Gradle, less fiddling with plugins, and more easily explorable in your IDE

A minimal, idiomatic Scala interface for HTTP

Scala language server with rich IDE features 🚀

Deploy über-JARs. Restart processes. (port of codahale/assembly-sbt)

Property-based testing for Scala

Compiler for the Vale programming language - http://vale.dev/

The Scala HTTP client you always wanted!

Code formatter for Scala

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

Convenient and performant logging library for Scala wrapping SLF4J.

Refactoring and linting tool for Scala

A Scala port of the popular Python Requests HTTP client: flexible, intuitive, and straightforward to use.

I know this because build.sbt knows this.

Safe direct-style streaming, concurrency and resiliency for Scala on the JVM

A strawman for a low-level async library in Scala 3.

Linear types in Scala

curling isn't just for Canadians

Research platform for new language concepts and compiler technologies for Scala.