Principled Functional Programming in Scala
A testing tool for Scala and Java developers
Property-based testing for Scala
Generic programming for Scala
command line options parsing for Scala
Powerful new number types and numeric abstractions for Scala.
Optics library for Scala
A type-safe, reflection-free, powerful enumeration implementation for Scala with exhaustive pattern match warnings and helpful integrations.
The IO monad for Scala
Simple refinement types for Scala
Writing Fast Parsers Fast in Scala
First class syntax support for type classes in Scala
A simple testing framework for Scala
Native Scala mocking framework
Facebook's React on Scala.JS
simple combinator-based parsing for Scala. formerly part of the Scala standard library, now a separate community-maintained module
Compile-time Language Integrated Queries for Scala
uPickle: a simple, fast, dependency-free JSON & Binary (MessagePack) serialization library for Scala
Flexible law checking for Scala
ScalaTags is a small XML/HTML construction library for Scala.