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

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

PredictionIO, a machine learning server for developers and ML engineers.

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

CMAK is a tool for managing Apache Kafka clusters

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

A fault tolerant, protocol-agnostic RPC system

Hybrid visual and textual functional programming.

Modern Load Testing as Code

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

Principled Functional Programming in Scala

Scala.js, the Scala to JavaScript compiler

Your favorite language gets closer to bare metal.

ZIO — A type-safe, composable library for async and concurrent programming in Scala

A Scala API for Cascading

Generic programming for Scala

Reactive Microservices for the JVM

A minimal, idiomatic Scala interface for HTTP

Functional JDBC layer for Scala.

The Flix Programming Language

Gluten is a middle layer responsible for offloading JVM-based SQL engines' execution to native engines.

Compiler plugin for making type lambdas (type projections) easier to write

Refactoring and linting tool for Scala

Simple project to quickly start developing a Scala-based microservice or web application, without the need to write login, user registration etc.

Chronon is a data platform for serving for AI/ML applications.

NewTypes for Scala with no runtime overhead

Scala CLI is a command-line tool to interact with the Scala language. It lets you compile, run, test, and package your Scala code (and more!)