The purely functional runtime system for Scala
Simple, fast, debuggable generic derivation for typeclasses
Seamless interop layer between cats and scalaz
Functional programming toolbox https://tinkoffcreditsystems.github.io/tofu
cats transformer type classes.
Tiny independent libraries with a single purpose, often a single class
Principled, fast, typeclass derivation.
Purely functional testing in Scala
Introduces macro/meta annotations @ aux, @ self, @ instance, @ apply, @ delegated, @ syntax and String-based type class LabelledGeneric
Scalaz typeclasses <~> Playframework2 typeclasses
A BSON libary for scala using typeclasses
Date and time types and instances
Generic programming for Scala