Automatic type class derivation for Cats

The fastest logging library in the world. Built from scratch in Scala and programmatically configurable.

Strong type constraints for Scala

Purely functional JSON parser and library in scala.

A simple testing framework for Scala

A tool for catching binary incompatibility in Scala

A lightweight, distinctly Scala take on functional abstractions, with tight ZIO integration

Automatic and customizable compile time transformations between similar case classes and sealed traits/enums, essentially a thing that glues your code. Scala 3 only. Or is it duct 🤔

Fast, secure JSON library with tight ZIO integration.

Scoverage Scala Code Coverage Core Libs

Jawn is for parsing jay-sawn (JSON)

Logging Tools For Interaction with cats-effect

Functional Configurations for Scala

Scala library providing "source" metadata to your program, similar to Python's __name__, C++'s __LINE__ or Ruby's __FILE__.

A small companion to cats

Scala testing library with actionable errors and extensible APIs

Binary serialization library for efficient network communication

Typechecked markdown documentation for Scala

A scala diff/patch library for Json

Library of utilities for tagless final encoded algebras