com-lihaoyi/fansi

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

jwt-scala/jwt-scala

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

outr/scribe

The fastest logging library in the world. Built from scratch in Scala and programmatically configurable.

sbt/sbt-native-packager

sbt Native Packager

scalameter/scalameter

Microbenchmarking and performance regression testing framework for the JVM platform.

sbt/sbt-web

Library for building sbt plugins for the web

scallop/scallop

a simple Scala CLI parsing library

hammerlab/test-utils

Unit-testing utilities

apache/flink

Apache Flink

bkirwi/decline

A composable command-line parser for Scala.

typelevel/cats-effect-testing

Integration between cats-effect and test frameworks

tototoshi/scala-csv

CSV Reader/Writer for Scala

coursier/coursier

Pure Scala Artifact Fetching

twitter/chill

Scala extensions for the Kryo serialization library

typelevel/discipline-scalatest

ScalaTest binding for Discipline

sbt/sbt-scalariform

sbt plugin adding support for source code formatting using Scalariform

sksamuel/avro4s

Avro schema generation and serialization / deserialization for Scala

zio/zio-json

Fast, secure JSON library with tight ZIO integration.

alexarchambault/case-app

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

jsuereth/scala-arm

This project aims to be the Scala Incubator project for Automatic-Resource-Management in the scala library