softwaremill/sttp

The Scala HTTP client you always wanted!

travisbrown/iteratee

Iteratees for cats

scala-exercises/scala-exercises

The easy way to learn Scala.

pepegar/hammock

Purely functional HTTP client

typelevel/cats-mtl

cats transformer type classes.

japgolly/test-state

Scala Test-State.

monadless/monadless

Syntactic sugar for monad composition in Scala

timwspence/cats-stm

An STM implementation for Cats Effect

davidgregory084/robots

A helper library for validating data with Cats

tek/xpct

monadic expectations

iravid/play-json-cats

pure4s/logger4s

Purely functional Logger for Scala

tek/cattrix

http request and codahale metrics abstraction

monix/monix

Asynchronous, Reactive Programming for Scala and Scala.js.

dragisak/monocle-cats

Monocle Lenses and Cats State

augustjune/canoe

Functional Telegram Bot API for Scala

satabin/swam

WebAssembly engine in Scala

http4s/http4s

A minimal, idiomatic Scala interface for HTTP

pwliwanow/foundationdb4s

Type-safe and idiomatic Scala client for FoundationDB

tmccarthy/probability

A probability monad in Scala