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

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

A fault tolerant, protocol-agnostic RPC system

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

State of the Art Natural Language Processing

Generic programming for Scala

A better build tool for Java, Scala and Kotlin: 3-6x faster than Maven or Gradle, less fiddling with plugins, and more easily explorable in your IDE

A minimal, idiomatic Scala interface for HTTP

Compositional, streaming I/O library for Scala

Functional JDBC layer for Scala.

The pure asynchronous runtime for Scala

Asynchronous, Reactive Programming for Scala and Scala.js.

Optics library for Scala

Facebook's React on Scala.JS

Reactive data-binding for Scala

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

Rapid development of self-documenting APIs

Simple, expressive, and safe UI library for Scala.js

Essential Building Blocks for Scala

A Spark plugin for reading and writing Excel files

Elm-inspired Scala UI library.

State propagation and event streams with mandatory ownership and no glitches

Cross-platform compilation support for sbt.

Scala types for your library to represent HTML tags, attributes, properties and CSS styles

Fully working client + server, dev + prod setup for Scala.js development, showcasing a bunch of Laminar & Scala.js patterns.