an implementation of Wadler's a prettier printer
makes a subset of the Scala 2.13 collections API available on 2.11 and 2.12, to aid cross-building
Pretty-printing value, types and type-signatures in Scala
Functional HTML5 and XML library for the Scala platform
Provides immutable datatypes for working with bits and bytes
Automatic argonaut codec derivation with shapeless
Simple pure-scala Typesafe HOCON implementation using FastParse
Castor is a lightweight, typed Actor library for Scala and Scala.js
The first and only true Functional Reactive Programming framework for Scala.
Scala Verify is a minimal testing framework for Scala. Trust, but verify.
Scala cross platform configuration library supporting HOCON
Routing library for the Scala platform
Provides the geny.Generator data type, the dual to a scala.Iterator that can ensure resource cleanup
Automatic creation of typeclass evidence for monad-like types
Power assertions (as known from Groovy and Spock) for the Scala language.
A Typesafe-logging (and slf4j) compatible logging library based on macros for Scala/JVM, Scala.js, and Scala Native
TypeTag without scala-reflect
typeclass based functional msgpack serializer/deserializer for Scala. support scala.js and scala-native / msgpack.org[Scala]
ScalaTest + ScalaCheck provides integration support between ScalaTest and ScalaCheck.
immutable primitive array/NonEmptyArray wrapper for Scala