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1.Scala3 Library SJS12,924 usages

org.scala-lang » scala3-library Apache

Standard library for the Scala Programming Language Version 3
Last Release on Jun 11, 2026

2.Scala Library Bootstrapped41,173 usages

org.scala-lang » scala-library Apache

scala-library-bootstrapped
Last Release on Jun 2, 2026

Relocated → org.scala-lang » scala3-library

3.ScalatestDotty19,990 usages

org.scalatest » scalatest Apache

ScalaTest is a flexible and popular testing tool in the Scala ecosystem. It can be used to test Scala, Scala.js, Scala Native, Dotty (Scala 3), and Java code.
Last Release on Mar 26, 2026

4.Scala.js Test Bridge4,364 usages

org.scala-js » scalajs-test-bridge Apache

Scala.js test bridge
Last Release on Jun 21, 2026

5.Scala.js Library6,756 usages

org.scala-js » scalajs-library Apache

Scala.js, a safer way to build robust front-end web applications with the Scala Programming Language.
Last Release on Jun 21, 2026

6.ScalaCheck5,207 usages

org.scalacheck » scalacheck BSD

ScalaCheck is a library written in Scala and used for automated property-based testing of Scala or Java programs.
Last Release on Sep 6, 2025

7.Scala Reflect4,561 usages

org.scala-lang » scala-reflect Apache

Reflection Library for the Scala Programming Language
Last Release on Dec 8, 2025

8.Scala3 Compiler Bootstrapped178 usages

org.scala-lang » scala3-compiler Apache

scala3-compiler-bootstrapped
Last Release on Jun 11, 2026

9.Scala Collection Compat2,826 usages

org.scala-lang.modules » scala-collection-compat Apache

This library makes some new Scala APIs (mainly collections) available to older versions of Scala.
Last Release on Oct 7, 2025

10.MUnit2,128 usages

org.scalameta » munit Apache

Scala testing library with actionable errors and extensible APIs
Last Release on Jul 9, 2026