monix/monix

Asynchronous, Reactive Programming for Scala and Scala.js.

japgolly/nyaya

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

japgolly/microlibs-scala

hyjay/fs2-google-cloud-pubsub

A developer-first Google Cloud Pub/Sub client in Scala

typelevel/frameless

Expressive types for Spark.

afsalthaj/safe-string-interpolation

A type driven approach to string interpolation, aiming at consistent, secure, and only-human-readable logs and console outputs !

pepegar/hammock

Purely functional HTTP client

al333z/anti-test

A DSL for BDD, leveraging Functional Programming techniques.

permutive/fs2-google-pubsub

Google Cloud Pub/Sub stream-based client built on top of cats-effect, fs2 and http4s.

yarhrn/loco

yet another event sourcing

typelevel/cats-effect

The IO monad for Scala

tpolecat/tuco

Reasonable telnet server for Scala.

systemfw/eidos

A tiny and principled library for type-safe IDs

kubukoz/vivalidi

A crazy man's effect-agnostic validations for Scala DTOs

tpolecat/doobie

Functional JDBC layer for Scala.

japgolly/test-state

Scala Test-State.

laserdisc-io/laserdisc

A Future free Fs2 native pure FP Redis client

functional-streams-for-scala/fs2

Compositional, streaming I/O library for Scala

japgolly/scalajs-react

Facebook's React on Scala.JS

anicolaspp/ojai-generics

Thin, generic, scala idiomatic layer on top of MapR OJAI