Scala 2 compiler and standard library
Build concurrent, distributed, and resilient message-driven apps
Compositional, streaming I/O library for Scala
Distributed Tracing, Metrics and Context Propagation for applications
The pure asynchronous runtime for Scala
Optics library for Scala
Fast, testable, Scala services built on TwitterServer and Finagle
Yet another configuration framework for JVM languages.
The Guardian DotCom
Context-aware Software Engineering Environment Event-driven Framework
Rule Interpreter for natural date descriptions