playframework/playframework

Play Framework

lampepfl/dotty

The Scala 3 compiler, also known as Dotty.

typelevel/cats

Lightweight, modular, and extensible library for functional programming.

scalaz/scalaz

Principled Functional Programming in Scala

scala-js/scala-js

Scala.js, the Scala to JavaScript compiler

zio/zio

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

milessabin/shapeless

Generic programming for Scala

circe/circe

Yet another JSON library for Scala

http4s/http4s

A minimal, idiomatic Scala interface for HTTP

typelevel/fs2

Compositional, streaming I/O library for Scala

zio/zio-quill

Compile-time Language Integrated Queries for Scala

typelevel/scalacheck

Property-based testing for Scala

monix/monix

Asynchronous, Reactive Programming for Scala and Scala.js.

typelevel/spire

Powerful new number types and numeric abstractions for Scala.

coursier/coursier

Pure Scala Artifact Fetching

typelevel/cats-effect

The pure asynchronous runtime for Scala

japgolly/scalajs-react

Facebook's React on Scala.JS

thoughtworksinc/binding.scala

Reactive data-binding for Scala

fthomas/refined

Refinement types for Scala

optics-dev/monocle

Optics library for Scala