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

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

Lightweight, modular, and extensible library for functional programming.

The easy way to learn Scala.

Mill is a fast build tool that supports Java, Scala, Kotlin and many other languages. 2-4x faster than Gradle and 4-10x faster than Maven for common workflows, Mill aims to make your project’s buil…

Functional JDBC layer for Scala.

A data access library for Scala + Postgres.

Reactive data-binding for Scala

Rapid development of self-documenting APIs

An asynchronous programming facility for Scala

Flexible Scala code linting tool

Simple, expressive, and safe UI library for Scala.js

Scala macros for compile-time generation of safe and ultra-fast JSON codecs + circe booster

scalastyle

Single Page Applications running on the server side.

NewTypes for Scala with no runtime overhead

The Functional and Reactive Web-Frontend Library for Scala.js

Binary serialization library for efficient network communication

Fun.CQRS is a Scala CQRS/ES framework. It provides the basic blocks to build event driven aggregates with Event Sourcing.

functional tracing for cats

A self documenting DSL built on http4s

Lightweight api management on top of a modern http reverse proxy

Allows logging in a tree structure so that comprehensive logging does not become incomprehensible

A replicated Akka Persistence journal backed by Apache Kafka

Scientific computing with N-dimensional arrays

Type-safe data migration tool for Slick, Git and beyond.

Scala POI Wrapper for the spreadsheet generation in Excel:

A bleeping fast scala build tool!

Compositional, type-safe schema definitions, which enable auto-derivation of codecs and migrations.

Quickly create and develop full-stack Scala apps with ZIO and Laminar.