Apache Pulsar - distributed pub-sub messaging system

Distributed and fault-tolerant realtime computation: stream processing, continuous computation, distributed RPC, and more

Apache Pinot - A realtime distributed OLAP datastore

SMS gateway for Android powered phones

Extensible data integration Java framework for building XML and non-XML fragment-based applications

Java Client and Connectors for Redis

This project has been absorbed by ruby-concurrency/concurrent-ruby

A distributed storage system for managing structured data while providing reliability at scale.

Web based console for cassandra

Mirror of Apache Shindig (incubating)

Example of how to extend Shindig

A Wave Robot.

A library to interact with the messagepub REST API using Java.