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

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

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

The leader in Customer Data Infrastructure

Slick (Scala Language Integrated Connection Kit) is a modern database query and access library for Scala

Functional JDBC layer for Scala.

command line options parsing for Scala

Twirl is Play's default template engine

Scala extensions for Google Guice

Scala POI Wrapper for the spreadsheet generation in Excel:

Blockchain implemented using the Scala programming language