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

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

Code, exercises, answers, and hints to go along with the book "Functional Programming in Scala"

Find potential bugs in your services with Diffy

The easy way to learn Scala.

Reactive Microservices for the JVM

Scala examples for learning to use Spark

A Java 8 (and up) compatibility kit for Scala.

Scala reference (as seen by Java developer)

Scala translations of Robert Sedgewick's Java Algorthms

Learn Scala by examples

There are pieces of scala code that explain Scala syntax and related things - like what you can do with all this