A Scala API for Apache Beam and Google Cloud Dataflow
Pure Scala Artifact Fetching
Scala.js, the Scala to JavaScript compiler
Distributed Tracing, Metrics and Context Propagation for applications
Your favorite language gets closer to bare metal
Slick (Scala Language Integrated Connection Kit) is a modern database
Fast, testable, Scala services built on TwitterServer and Finagle
Distributed Prometheus time series database
Rocket Chip Generator
REST job server for Apache Spark
Deploy and manage containers (including Docker) on top of Apache Mesos
The forever free, ad-free and open source chess server
JOPUX - a flexible and scalable application platform!
Scala libraries for building and consuming RESTful web services
Web development IDE in browser, supports Java, ruby, javascript...etc
The Guardian DotCom
The open source profiler for the jvm.