Sentries - For easy fault handling in Scala programs

Memcached client for Scala

hip cats and git hubs

Jackson module for Scala

Compositional, streaming I/O library for Scala

Simple Scala-friendly front-end to SLF4J

Apache Solr Client for Scala/Java

How hard could it be to replace SBT?

OSGi dynamics made easy - A Scala DSL to master OSGi dynamics

The official Riak Spark Connector for Apache Spark with Riak TS and Riak KV

SBT plugin to ease the launch of Ammonite

Data interchange for the modern web + mobile stack.

An alternate webdriver implementation based on Scala, Akka and Spray

Lift Integration with the Shiro security framework

Sprest is a collection of libaries to make building REST services simpler using Spray.

Thin reactive framework to provide and consume REST services

ElasticSearch integration for Apache Spark

Scala idiomatic wrapper for RxJS

An HBase backed Journal for Akka's experimental persistence / event-sourcing

Use Cascading Taps and Scalding DSL with Spark