monix/monix

Asynchronous, Reactive Programming for Scala and Scala.js.

julien-truffaut/monocle

Optics library for Scala

frees-io/freestyle

A cohesive & pragmatic framework of FP centric Scala libraries

frees-io/iota

Fast [co]product types with a clean syntax. For Cats & Scalaz.

japgolly/nyaya

Random Data Generation and/or Property Testing in Scala & Scala.JS.

scala-exercises/scala-exercises

The easy way to learn Scala.

kailuowang/mainecoon

Transform and compose tagless final encoded algebras in scala

47deg/scalacheck-toolbox

A helping hand for generating sensible data with ScalaCheck

47deg/case-classy

configuration with less hassle

japgolly/microlibs-scala

iscpif/freedsl

Practical effect composition library based on abstract wrapping type and the free monad

sami-badawi/shapelogic-scala

Generic computer vision in Scala

cirg-up/cilib

Typesafe, purely functional Computational Intelligence

comcast/ip4s

Defines immutable, safe data structures for describing IP addresses, multicast joins, socket addresses and similar IP & network related data types

orkestracd/orkestra

Functional DevOps with Scala and Kubernetes

oleg-py/meow-mtl

Next Level MTL for Scala

pure4s/uuid4s

Purely functional UUID's for Scala

47deg/sbt-org-policies

Just an SBT plugin that enforces some organizational policies and settings across all of your projects

scalaz/scalaz

Principled Functional Programming in Scala

chymyst/chymyst-core

Declarative concurrency in Scala - The implementation of the chemical machine