Apache Spark - A unified analytics engine for large-scale data processing

A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.

The Community Maintained High Velocity Web Framework For Java and Scala.

Fault tolerant job scheduler for Mesos which handles dependencies and ISO8601 based schedules

Lightning-fast cluster computing in Java, Scala and Python.

Lift Framework

A JVM written in Scala

Development in Shark has been ended.

socket.io for spray

WebSocket for spray-can

Open source AMQP messaging broker based on Akka

kafka running on yarn

Sample Akka project with SBT Atmos