jto/validation

validation api extracted from play

to-ithaca/libra

A dimensional analysis library based on dependent types

softwaremill/diffx

Pretty diffs for scala case classes

lemonlabsuk/scala-uri

Simple scala library for building and parsing URIs

olivierblanvillain/monadic-html

Tiny DOM binding library for Scala.js

outr/youi

Next generation user interface and application development in Scala and Scala.js for web, mobile, and desktop.

monadless/monadless

Syntactic sugar for monad composition in Scala

travisbrown/iteratee

Iteratees for cats

pepegar/hammock

Purely functional HTTP client

djspiewak/shims

Seamless interop layer between cats and scalaz

julienrf/play-json-derived-codecs

lihaoyi/fansi

Scala/Scala.js library for manipulating Fancy Ansi colored strings

underscoreio/doodle

Compositional vector graphics in Scala / Scala.JS

propensive/contextual

Contextual

japgolly/nyaya

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

47deg/github4s

A GitHub API wrapper written in Scala

chandu0101/scalajs-react-components

Reusable scalajs-react components

databricks/sjsonnet

monix/minitest

The super light testing library for Scala and Scala.js

typelevel/paiges

an implementation of Wadler's a prettier printer