zio / zio

ZIO — A type-safe, composable library for async and concurrent programming in Scala

scalatra / scalatra

Tiny Scala high-performance, async web framework, inspired by Sinatra

typelevel / cats-effect

The pure asynchronous runtime for Scala

monix / monix

Asynchronous, Reactive Programming for Scala and Scala.js.

softwaremill / sttp

The Scala HTTP client you always wanted!

ReactiveMongo / ReactiveMongo

:leaves: Non-blocking, Reactive MongoDB Driver for Scala