Generic programming for Scala
Your favorite language gets closer to bare metal.
command line options parsing for Scala
Simple refinement types for Scala
simple combinator-based parsing for Scala. formerly part of the Scala standard library, now a separate community-maintained module
Practical logging framework that doesn't require any other logging framework and can be completely configured programmatically.
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
Provides immutable datatypes for working with bits and bytes
Pretty-printing value, types and type-signatures in Scala
Automatic argonaut codec derivation with shapeless
Modify deeply nested case class fields
The first and only true Functional Reactive Programming framework for Scala.
an implementation of Wadler's a prettier printer
typeclass based functional msgpack serializer/deserializer for Scala. support scala.js and scala-native / msgpack.org[Scala]
A Typesafe-logging (and slf4j) compatible logging library based on macros for Scala/JVM, Scala.js, and Scala Native
Tiny scala-js compatible base64 encoder/decoder written in idiomatic scala. Available on Maven central.