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

Lightweight, modular, and extensible library for functional programming.

Compositional, streaming I/O library for Scala

Functional JDBC layer for Scala.

Property-based testing for Scala

Powerful new number types and numeric abstractions for Scala.

🔍 Elasticsearch Scala Client - Reactive, Non Blocking, Type Safe, HTTP Client

Purely Functional Algorithms and Data Structures in Scala

A JVM written in Scala

An experimental library for Functional Reactive Programming in Scala

First class syntax support for type classes in Scala

The Scala API for Quantities, Units of Measure and Dimensional Analysis

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

Expressive types for Spark.

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

Slick Plugin for Play

sbt plugin that can check Maven and Ivy repositories for dependency updates

Software Specifications for Scala

Write Scala.js React apps just like you would in ES6

Data structures for pure functional programming in Scala

Twirl is Play's default template engine

Breeze is a library for numerical processing, machine learning, and natural language processing. Its primary focus is on being generic, clean, and powerful without sacrificing (much) efficiency. Br…

**Archived** Epic is a high performance statistical parser written in Scala, along with a framework for building complex structured prediction models.

Site and E-book Generator and Customizable Text Markup Transformer for sbt, Scala and Scala.js

Jawn is for parsing jay-sawn (JSON)

Macros for simple/safe RPCs between Scala applications, including ScalaJS/ScalaJVM

Chat example app using Server Sent Events plus REST calls. Scala, Play Framework 2.3, AngularJS or React (alternatively).

Experimental project to lay out basic algebra type classes

Typelevel Scala, a fork of Scala