
This library makes some new Scala APIs (mainly collections) available to older versions of Scala.

Alpakka is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Akka.
Last Release on Aug 5, 2025

ammonite-util-3.3.7
Last Release on Oct 11, 2025

fs2-reactive-streams
Last Release on Mar 13, 2026

Postgres support for doobie.
Last Release on May 23, 2021

ammonite-util-2.12.20
Last Release on Oct 11, 2025

Hikari support for doobie.
Last Release on May 23, 2021

Alleycats core
Last Release on Jan 20, 2025

The unified Daml-LF interpreter and engine
Last Release on May 7, 2026

Cats kernel laws
Last Release on Jan 20, 2025

ZIO HTTP is a scala library for building http apps. It is powered by ZIO and Netty.
Last Release on May 4, 2026