scala-graph/scala-graph

Graph for Scala is intended to provide basic graph functionality seamlessly fitting into the Scala Collection Library. Like the well known members of scala.collection, Graph for Scala is an in-memory graph library aiming at editing and traversing graphs, finding cycles etc. in a user-friendly way.

pauldijou/jwt-scala

JWT support for Scala. Bonus extensions for Play, Play JSON, Json4s, Circe, uPickle, Spray and Argonaut

net-a-porter/scala-uri

Simple scala library for building and parsing URIs

sbt/sbt-web

Library for building sbt plugins for the web

typelevel/machinist

Spire's macros for zero-cost operator enrichment

iheartradio/ficus

Scala-friendly companion to Typesafe config

alexarchambault/scalacheck-shapeless

Generation of arbitrary case classes / ADTs instances with scalacheck and shapeless

sirthias/parboiled

Elegant parsing in Java and Scala - lightweight, easy-to-use, powerful.

jrudolph/sbt-dependency-graph

sbt plugin to create a dependency graph for your project

sbt/zinc

Scala incremental compiler library, originally part of sbt

softwaremill/sttp

The Scala HTTP client you always wanted!

wartremover/wartremover

Flexible Scala code linting tool

lihaoyi/fansi

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

alexarchambault/case-app

Type-level & seamless command-line argument parsing for Scala

mongodb/mongo-scala-driver

nbronson/scala-stm

A library-based Software Transactional Memory (STM) for Scala, coupled with transactional sets and maps

bigdatagenomics/adam

ADAM is a genomics analysis platform with specialized file formats built using Apache Avro, Apache Spark and Parquet. Apache 2 licensed.

atnos-org/eff

Eff monad for cats - http://atnos-org.github.io/eff

monix/minitest

The super light testing library for Scala and Scala.js

scalameta/scalafmt

Code formatter for Scala