Principled Functional Programming in Scala

The Scala HTTP client you always wanted!

Purely functional JSON parser and library in scala.

Usage examples and benchmarks between Scalaz and Cats (w/ Haskell ground-truth).

Mockito for Scala language

property based testing library for Scala

A macro library that converts native imperative syntax to scalaz's monadic expressions

Idiomatic, typesafe, and reactive Scala client for Apache Pulsar

Seamless interop layer between cats and scalaz

Scala library for boilerplate-free validation

Scala Test-State.

Evaluation of API and performance of different actor libraries

Easy way to create Free Monad using Scala macros with first-class Intellij support.

Boilerplate-free, zero-overhead Tagless Final / typed-final / Finally Tagless DSLs in Scala

The pure testing library by scalaz.

A compiler plugin that will improve on the scala compiler on the assumption that the user is using the Scalazzi-safe subset of Scala.

purely functional http client with scalaz.Free

Convert Task to Future, and Future to Task

An Open Source Android Launcher built with Scala on Android

An effect monad for Scalaz 7.2