http4s/http4s

A minimal, idiomatic Scala interface for HTTP

julien-truffaut/monocle

Optics library for Scala

argonaut-io/argonaut

Purely functional JSON parser and library in scala.

softwaremill/sttp

The Scala HTTP client you always wanted!

scalaprops/scalaprops

property based testing library for Scala

scalaz/testz

The pure testing library by scalaz.

xuwei-k/httpz

purely functional http client with scalaz.Free

verizon/delorean

Convert Task to Future, and Future to Task

lloydmeta/diesel

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

msgpack4z/msgpack4z-play

msgpack4z play-json binding

japgolly/microlibs-scala

msgpack4z/msgpack4z-core

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

rubicon-project/rubiz

Library to augment Scalaz with handy syntax and missing conversions.

xuwei-k/applybuilder

scalaz.Apply builder

krzemin/octopus

Scala library for boilerplate-free validation

scalaprops/sbt-scalaprops

sbt plugin for scalaprops. provides tab completion, scala-native support

scalaprops/scalaprops-shapeless

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

scalaz/scalaz-deriving

Principled, fast, typeclass derivation.

shiplog/directives2

Directives for scalaz.Monad

scalaprops/scalaprops-deriving

scalaz-deriving instances for scalaprops. generation of arbitrary case classes / ADTs instances