scalaz / scalaz

Principled Functional Programming in Scala

zio / zio-quill

Compile-time Language Integrated Queries for Scala

coursier / coursier

Pure Scala Artifact Fetching

japgolly / scalajs-react

Facebook's React on Scala.JS

scalalandio / chimney

Scala library for boilerplate-free, type-safe data transformations

raquo / Laminar

Simple, expressive, and safe UI library for Scala.js

plokhotnyuk / jsoniter-scala

Scala macros for compile-time generation of safe and ultra-fast JSON codecs + circe booster

wvlet / airframe

Essential Building Blocks for Scala

7mind / izumi

Productivity-oriented collection of lightweight fancy stuff for Scala toolchain

UdashFramework / udash-core

Scala framework for building beautiful and maintainable web applications.