Repositories list

• dotty

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

  Scala

  •

  Apache License 2.0

  •1.2k•84•0•11•Updated Mar 14, 2026Mar 14, 2026

• zio

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

  community-buildstatus-enabled

  community-buildstatus-enabled

  Scala

  •

  Apache License 2.0

  •1.4k•0•0•30•Updated Mar 14, 2026Mar 14, 2026

• geny

  Public
  Provides the geny.Generator data type, the dual to a scala.Iterator that can ensure resource cleanup

  Scala

  •

  Other

  •24•0•0•3•Updated Feb 9, 2026Feb 9, 2026

• requests

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

  Scala

  •

  Other

  •91•0•0•2•Updated Jan 15, 2026Jan 15, 2026

• scala-xml

  Public

  dotty-staging/scala-xml’s past year of commit activity
  The standard Scala XML library

  community-project

  community-project

  Scala

  •

  Apache License 2.0

  •91•0•0•0•Updated Dec 5, 2025Dec 5, 2025

• fs2

  Public
  Compositional, streaming I/O library for Scala

  Scala

  •

  Other

  •630•0•0•0•Updated Dec 1, 2025Dec 1, 2025

• shapeless-3

  Public
  Generic programming for Scala

  Scala

  •25•1•0•0•Updated Nov 20, 2025Nov 20, 2025

• util

  Public
  Wonderful reusable code from Twitter

  Scala

  •

  Apache License 2.0

  •577•0•0•0•Updated Nov 20, 2025Nov 20, 2025

• json4s

  Public
  A single AST to be used by other scala json libraries

  Scala

  •

  Apache License 2.0

  •325•0•0•0•Updated Nov 20, 2025Nov 20, 2025

• specs2

  Public
  Software Specifications for Scala

  community-buildstatus-enabled

  community-buildstatus-enabled

  Scala

  •

  Other

  •215•0•0•0•Updated Nov 18, 2025Nov 18, 2025

• scalaz

  Public
  Principled Functional Programming in Scala

  Scala

  •

  Other

  •702•0•0•0•Updated Nov 18, 2025Nov 18, 2025

• scala-java8-compat

  Public
  A Java 8 compatibility kit for Scala.

  Scala

  •

  Apache License 2.0

  •65•0•0•0•Updated Nov 18, 2025Nov 18, 2025

• verify

  Public
  Scala Verify is a minimal testing framework for Scala. Trust, but verify.

  Scala

  •

  Apache License 2.0

  •18•0•0•0•Updated Nov 17, 2025Nov 17, 2025

• Monocle

  Public
  Optics library for Scala

  community-buildstatus-enabled

  community-buildstatus-enabled

  Scala

  •

  MIT License

  •205•0•0•0•Updated Nov 17, 2025Nov 17, 2025

• scala-collection-compat

  Public
  makes a subset of the Scala 2.13 collections API available on 2.11 and 2.12, to aid cross-building

  Scala

  •

  Apache License 2.0

  •84•0•0•0•Updated Nov 17, 2025Nov 17, 2025

• spire

  Public
  Powerful new number types and numeric abstractions for Scala.

  community-buildstatus-enabled

  community-buildstatus-enabled

  Scala

  •

  MIT License

  •239•0•0•0•Updated Nov 17, 2025Nov 17, 2025

• cats

  Public
  Lightweight, modular, and extensible library for functional programming.

  Scala

  •

  Other

  •1.2k•1•0•0•Updated Nov 17, 2025Nov 17, 2025

• Lucre

  Public
  Lucre (STM|Event|Data|Confluent) - a transactional, persistent, reactive object model. Mirror of https://git.iem.at/sciss/Lucre

  community-buildstatus-enabled

  community-buildstatus-enabled

  Scala

  •

  GNU Affero General Public License v3.0

  •0•0•0•0•Updated Nov 17, 2025Nov 17, 2025

• scalatest

  Public
  A testing tool for Scala and Java developers

  Scala

  •

  Apache License 2.0

  •337•0•0•0•Updated Nov 17, 2025Nov 17, 2025

• scas

  Public
  Scala Algebra System

  Scala

  •1•0•0•0•Updated Nov 4, 2025Nov 4, 2025

• scalatestplus-testng

  Public
  ScalaTest + TestNG provides integration support between ScalaTest and TestNG.

  Scala

  •

  Apache License 2.0

  •7•0•0•0•Updated Oct 31, 2025Oct 31, 2025

• akka

  Public
  Build highly concurrent, distributed, and resilient message-driven applications on the JVM

  community-buildstatus-enabled

  community-buildstatus-enabled

  Scala

  •

  Other

  •3.6k•1•0•0•Updated Oct 30, 2025Oct 30, 2025

• sconfig

  Public
  Scala cross platform configuration library supporting HOCON

  Scala

  •

  Other

  •10•0•0•0•Updated Oct 22, 2025Oct 22, 2025

• utest-new

  Public
  A simple testing framework for Scala

  Scala

  •

  MIT License

  •86•0•0•0•Updated Oct 22, 2025Oct 22, 2025

• http4s

  Public
  A minimal, idiomatic Scala interface for HTTP

  Scala

  •

  Apache License 2.0

  •808•0•0•0•Updated Oct 21, 2025Oct 21, 2025

• os-lib

  Public
  OS-Lib is a simple, flexible, high-performance Scala interface to common OS filesystem and subprocess APIs

  Scala

  •

  Other

  •84•0•0•0•Updated Oct 21, 2025Oct 21, 2025

• cask

  Public
  Cask: a Scala HTTP micro-framework

  community-buildstatus-enabled

  community-buildstatus-enabled

  Scala

  •

  Other

  •68•0•0•1•Updated Oct 21, 2025Oct 21, 2025

• upickle

  Public
  uPickle: a simple, fast, dependency-free JSON & Binary (MessagePack) serialization library for Scala

  community-buildstatus-enabled

  community-buildstatus-enabled

  Scala

  •

  MIT License

  •176•0•0•0•Updated Oct 16, 2025Oct 16, 2025

• sourcecode

  Public
  Scala library providing "source" metadata to your program, similar to Python's __name__, C++'s __LINE__ or Ruby's __FILE__.

  Scala

  •

  Other

  •77•0•0•0•Updated Oct 15, 2025Oct 15, 2025

• PPrint

  Public
  Pretty-printing value, types and type-signatures in Scala

  Scala

  •

  MIT License

  •42•0•0•2•Updated Oct 15, 2025Oct 15, 2025