The Scala Library Index

Scala Versions

Scala 3.x

2030 projects

Scala 2.13

3452 projects

Other versions: 2.12 2.11 2.10

Platforms

Scala.js 1.x

944 projects

Other versions: 0.6

Scala Native 0.5

216 projects

Other versions: 0.4 0.3

Build Tool Plugins

sbt 1.x

710 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

edadma/texish

15 May 2025 at 00:16 (UTC)

pme123/orchescala

DOMAIN DRIVEN PROCESS ORCHESTRATION

09 May 2025 at 10:44 (UTC)

cheleb/threescalajs

ScalaJS WebGL utils and demos

08 May 2025 at 22:58 (UTC)

polyvariant/smithy4s-bsp

smithy4s-based interpreter for BSP based on jsonrpclib-smithy4s.

07 May 2025 at 01:51 (UTC)

indoorvivants/mcp

Model Context Protocol for Scala 3

05 May 2025 at 10:31 (UTC)

business4s/workflows4s

Simple, Composable, Business-oriented Workflows for Scala

05 May 2025 at 07:38 (UTC)

edadma/datefns

03 May 2025 at 16:57 (UTC)

takapi327/mcp-scala

30 Apr 2025 at 13:01 (UTC)

evolvedbinary/exist-xqts-runner

W3C XQTS driver for eXist-db

27 Apr 2025 at 05:29 (UTC)

philippus/monix-kafka-4x

🏞️ Monix integration with Kafka for kafka-clients 4.0.0 and up

26 Apr 2025 at 17:41 (UTC)

edadma/recognizer

A very basic backtracking pattern recognizer implemented in Scala

26 Apr 2025 at 03:00 (UTC)

rossabaker/no

24 Apr 2025 at 03:58 (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)

More ...