scalaz/scalaz

Principled Functional Programming in Scala

http4s/http4s

A minimal, idiomatic Scala interface for HTTP

monix/monix

Asynchronous, Reactive Programming for Scala and Scala.js.

twitter/scalding

A Scala API for Cascading

travisbrown/catbird

Birds and cats together

djspiewak/shims

Seamless interop layer between cats and scalaz

christopherdavenport/epimetheus

An Afterthought of Prometheus

fiadliel/fs2-grpc

gRPC implementation for FS2/cats-effect

christopherdavenport/mules

oleg-py/stm4cats

STM monad for cats-effect

oleg-py/meow-mtl

Next Level MTL for Scala

lendup/fs2-blobstore

Minimal, idiomatic, stream-based Scala interface for key/value store implementations

scalacenter/scaladex-void

unclaimed repos

systemfw/upperbound

A purely functional rate limiter

paoloboni/telegram4s

Telegram client for Scala

kubukoz/slick-effect

Compatibility tools for Slick + cats-effect.

kubukoz/sup

Composable, purely functional healthchecks in Scala.

christopherdavenport/scalaz-task-effect

Cats-Effect Instances for Scalaz Task

christopherdavenport/ember