Apache Spark - A unified analytics engine for large-scale data processing

💾 Database Tools incl. ORM, Migrations and Admin UI (Postgres, MySQL & MongoDB) [deprecated]

♞ lichess.org: the forever free, adless and open source chess server ♞

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

Build highly concurrent, distributed, and resilient message-driven applications on the JVM

The Community Maintained High Velocity Web Framework For Java and Scala.

Removes large or troublesome blobs like git-filter-branch does, but faster. And written in Scala

Hybrid visual and textual functional programming.

An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs

Apache OpenWhisk is an open source serverless cloud platform

Modern Load Testing as Code

The Guardian DotCom.

The Scala 3 compiler, also known as Dotty.

Lightweight, modular, and extensible library for functional programming.

Simple and Distributed Machine Learning

sbt, the interactive build tool

Scala.js, the Scala to JavaScript compiler

Your favorite language gets closer to bare metal.

Deequ is a library built on top of Apache Spark for defining "unit tests for data", which measure data quality in large datasets.

Spark: The Definitive Guide's Code Repository

Wonderful reusable code from Twitter

Reactive Microservices for the JVM

Scala Scripting

A Scala API for Apache Beam and Google Cloud Dataflow.

A minimal, idiomatic Scala interface for HTTP

Yet another JSON library for Scala

Compositional, streaming I/O library for Scala

Fast, testable, Scala services built on TwitterServer and Finagle

Compile-time Language Integrated Queries for Scala

Functional JDBC layer for Scala.