Scoverage Scala Code Coverage Core Libs
Pure Scala Artifact Fetching
Writing Fast Parsers Fast in Scala
Protocol buffer compiler for Scala.
Facebook's React on Scala.JS
Acyclic is a Scala compiler plugin to let you prohibit circular dependencies between files
uPickle: a simple, fast, dependency-free JSON & Binary (MessagePack) serialization library for Scala
ScalaTags is a small XML/HTML construction library for Scala.
A macro-based PEG parser generator for Scala 2.10+
Generation of arbitrary case classes / ADTs instances with scalacheck and shapeless
Binary serialization library for efficient network communication
Scala/Scala.js library for manipulating Fancy Ansi colored strings
Type-level & seamless command-line argument parsing for Scala
Super type-safe CSS for Scala and Scala.JS.
Macros for simple/safe RPCs between Scala applications, including ScalaJS/ScalaJVM
Pretty-printing value, types and type-signatures in Scala
Random Data Generation and/or Property Testing in Scala & Scala.JS.
An experimental library for Functional Reactive Programming in Scala
A library that toggles Scala code at compile-time, like #if in C/C++
Programmable, Typesafe Document Generation