The Scala Library Index

Scala Versions

Scala 3.x

2057 projects

Scala 2.13

3459 projects

Other versions: 2.12 2.11 2.10

Platforms

Scala.js 1.x

952 projects

Other versions: 0.6

Scala Native 0.5

230 projects

Other versions: 0.4 0.3

Build Tool Plugins

sbt 1.x

695 projects

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

Mill 0.12

5 projects

Other versions: 0.11 0.10 0.9 0.7 0.6

Recent projects

edadma/indentation

08 Jul 2025 at 05:49 (UTC)

edadma/tabula

Scala Data Analysis Library

05 Jul 2025 at 05:11 (UTC)

edadma/csv

a CSV reader that implements RFC 4180

04 Jul 2025 at 23:31 (UTC)

xuwei-k/scalafix-rule-resource-gen

generate META-INF/services/scalafix.v1.Rule

03 Jul 2025 at 13:25 (UTC)

datahub-project/datahub

The Metadata Platform for your Data and AI Stack

30 Jun 2025 at 14:49 (UTC)

edadma/matrix

dynamic arithmetic matrices

30 Jun 2025 at 06:31 (UTC)

cheleb/zio-magnum

Magnum ZIO

29 Jun 2025 at 18:17 (UTC)

polyvariant/smithy-trait-codegen-scala

20 Jun 2025 at 00:27 (UTC)

dragonfly-ai/spatial

Scala.js repository for spatial partitioning data structures: QuadTree, Octree and Map variants of each.

19 Jun 2025 at 21:04 (UTC)

iltotore/mill-tailwind

Tailwind & DaisyUI plugin for Mill, without Node

15 Jun 2025 at 22:32 (UTC)

indoorvivants/sniper

Snippet manager with templates, Alfred integration, and MCP

14 Jun 2025 at 22:47 (UTC)

edadma/dal

14 Jun 2025 at 16:52 (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 ...