The Scala Library Index

Scala Versions

Scala 3.x

1991 projects

Scala 2.13

3449 projects

Other versions:2.12 2.11 2.10

Platforms

Scala.js 1.x

930 projects

Other versions:0.6

Scala Native 0.5

197 projects

Other versions:0.4 0.3

Build Tool Plugins

sbt 1.x

707 projects

Other versions:0.13 2.0.0-M4 2.0.0-M3 2.0.0-M2 2.0.0-M1

Mill 0.12

3 projects

Other versions:0.11 0.10 0.9 0.7 0.6

Recent projects

scalalandio/chimney-macro-commons

Macro utilities that Chimney is build upon

13 Mar 2025 at 19:46 (UTC)

lolgab/scala-native-jdbc

JDBC Implementation for Scala Native

12 Mar 2025 at 21:59 (UTC)

rcardin/yaes

An experimental effect system in Scala using capability passing style

10 Mar 2025 at 21:58 (UTC)

iterable/scalafix-rules

custom scalafix rules

04 Mar 2025 at 23:31 (UTC)

eikek/borer-compats

This is a scala 3 library to provide integration code for borer json.

01 Mar 2025 at 17:23 (UTC)

eikek/tus4s

Provides http4s routes to enable uploads via the tus.io protocol.

01 Mar 2025 at 00:52 (UTC)

quafadas/spire_ad

Reverse mode automatic differentiation based on spire

21 Feb 2025 at 14:42 (UTC)

polentino/redacted

Scala library and compiler plugin that prevent inadvertent leakage of sensitive fields in `case classes` (such as credentials, personal data, and other confidential information)

20 Feb 2025 at 21:21 (UTC)

arturaz/cats-effect-resource-shared-memoized

Micro-library that provides a way to memoize `Resource[F, A]` so they would be shared between accesses.

20 Feb 2025 at 14:19 (UTC)

More ...

Most depended-upon Projects

scala/scala

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

19 Jan 2012 at 19:48 (UTC)

scalatest/scalatest

A testing tool for Scala and Java developers

22 Dec 2012 at 03:43 (UTC)

scala/scala3

The Scala 3 compiler, also known as Dotty.

09 Jun 2016 at 13:04 (UTC)

scala-js/scala-js

Scala.js, the Scala to JavaScript compiler

14 Jan 2014 at 19:54 (UTC)

typelevel/cats

Lightweight, modular, and extensible library for functional programming.

05 Feb 2016 at 02:53 (UTC)

typelevel/scalacheck

Property-based testing for Scala

07 Apr 2013 at 13:37 (UTC)

akka/akka

A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.

22 Dec 2012 at 13:22 (UTC)

circe/circe

Yet another JSON library for Scala

10 Aug 2015 at 02:04 (UTC)

etorreborre/specs2

Software Specifications for Scala

13 Jun 2012 at 22:50 (UTC)

typelevel/cats-effect

The pure asynchronous runtime for Scala

21 Apr 2017 at 23:00 (UTC)

lightbend/config

configuration library for JVM languages using HOCON files

13 Apr 2012 at 03:51 (UTC)

apache/spark

Apache Spark - A unified analytics engine for large-scale data processing

24 Jan 2014 at 07:19 (UTC)