ScalaTest + JUnit provides integration support between ScalaTest and JUnit.

in-memory JMS broker for unit testing (Scala, Java)

Measure energy consumption around sbt commands

Deriving swagger files from Scala code

Split Brain Resolver for Akka cluster

NextiaJD is a library that supports data discovery based on data profiles and machine learning algorithms to find joinable attributes in heterogeneous datasets

Scala client library for MPD, HTTP interface to MPD via REST/Websockets, finally a Webclient for MPD

Scala framework for collecting performance metrics and conducting sound experimental benchmarking.

Geographical area hashing algorithms GeoHex and TeraHex

pager support for Play2 application

A factory macro for anonymous final static lazy variables. Also comes with implicit caching.

a functional dynamically typed scripting language

Scala API for Hive UDFs with the GIS extension

Finch + Finagle OAuth2

bidirectional data-binding and routing for Scala.js

A git version plugin for Mill build tool

Implementation of sbt's test interface for JUnit 5's Jupiter module