Generic programming for Scala
command line options parsing for Scala
Powerful new number types and numeric abstractions for Scala.
The IO monad for Scala
Simple refinement types for Scala
Native Scala mocking framework
simple combinator-based parsing for Scala. formerly part of the Scala standard library, now a separate community-maintained module
Scala combinator library for working with binary data
Experimental project to lay out basic algebra type classes
Simple caching in Scala
A macro-based PEG parser generator for Scala 2.10+
Jawn is for parsing jay-sawn (JSON)
Generalized recursion schemes and traversals for Scala.
A cohesive & pragmatic framework of FP centric Scala libraries
Practical logging framework that doesn't require any other logging framework and can be completely configured programmatically.
Generation of arbitrary case classes / ADTs instances with scalacheck and shapeless
Spire's macros for zero-cost operator enrichment
Binary serialization library for efficient network communication
The super light testing library for Scala and Scala.js
Type-level & seamless command-line argument parsing for Scala