softwaremill/sttp

The Scala HTTP client you always wanted!

verizon/delorean

Convert Task to Future, and Future to Task

japgolly/microlibs-scala

thoughtworksinc/tryt.scala

Monad transformers for exception handling

xuwei-k/httpz

purely functional http client with scalaz.Free

hablapps/puretest

Purely functional testing in Scala

msgpack4z/msgpack4z-circe

msgpack4z circe binding / msgpack.org[Scala.js]

lloydmeta/diesel

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

shiplog/directives2

Directives for scalaz.Monad

argonaut-io/argonaut

Purely functional JSON parser and library in scala.

xuwei-k/zeroapply

zero cost Apply/Applicative syntax

thangiee/freasy-monad

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

scalaprops/scalaprops-magnolia

Generation of arbitrary case classes / ADTs instances with Scalaprops and Magnolia

scalaprops/scalaprops-shapeless

Generation of arbitrary case classes / ADTs instances with scalaprops and shapeless

ThoughtWorksInc/each

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

krzemin/octopus

Scala library for boilerplate-free validation

djspiewak/shims

Seamless interop layer between cats and scalaz

scalaprops/scalaprops

property based testing library for Scala

msgpack4z/msgpack4z-core

typeclass based functional msgpack serializer/deserializer for Scala. support scala.js and scala-native / msgpack.org[Scala]

scalaz/scalaz

Principled Functional Programming in Scala