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

Lightweight, modular, and extensible library for functional programming.

A better build tool for Java, Scala and Kotlin: Simpler than Maven, easier than Gradle, with 3-7x faster dev workflows than other JVM build tools

Deploy über-JARs. Restart processes. (port of codahale/assembly-sbt)

Build highly concurrent, distributed, and resilient message-driven applications using Java/Scala

A next-generation Scala framework for building scalable, correct, and efficient HTTP clients and servers

Accompanying source code for akka in action

Global-scale event sourcing and event collaboration with causal consistency (This project is in maintenance mode. Only critical bugs will be fixed, but there is no more feature development.).

Productivity-oriented collection of lightweight fancy stuff for Scala toolchain

NewTypes for Scala with no runtime overhead

Introduction to concepts of asynchronous and concurrent programming in Scala, based on the Cats Effect library.

Fast, secure JSON library with tight ZIO integration.

Abstractions from Category theory with simple description & implementation, links to further resources.

A fast Kafka client for ZIO and ZIO Streams

Scala sample code for Bartosz Milewski's CT for Programmers

Construct ZLayers automagically (w/ helpful compile-time errors)

Real World Functional Programming with ZIO

Make usage of Graal features easy and safe from Scala. Also features Scala-based React SSR.

The missing utils for working with Scala Futures

Compile time validation of literal values built from strings

A CLI-based launcher and general productivity tool.

Polars for Scala & Java projects!

FP Scala Back-end of the Smart Backpacker App

A Scala compiler plugin for better ZIO type mismatch errors.

Kafka client for functional streams for scala (fs2)

A minimal terminal kanban board

The project repository has moved to https://github.com/testcontainers/testcontainers-scala

Activator template for the Akka Cluster Sharding feature

The material for the Advanced ZIO Workshop.

Repository containing source code for submissions at DailyAlgorithm Twitter account.