Apache HBase™ is the Hadoop database. Use it when you need random, realtime read/write access to your Big Data. This project's goal is the hosting of very large tables -- billions of rows X millions of columns -- atop clusters of commodity hardware.

Phoenix Flume

Heritrix 3: 'contrib' Subproject

Apache Whirr CDH

Apache Geode (incubating) provides a database-like consistency model, reliable transaction processing and a shared-nothing architecture to maintain very low latency performance with high concurrency processing

Apache James :: Mailbox :: Spring

Foursquare's coarse, splitting geocoder and reverse geocoder in Scala.

Foursquare's coarse, splitting geocoder and reverse geocoder in Scala.

Core components of hRaven, including model classes and data access layer

Tephra Transaction System HBase 0.94 Compatibility Module

Phoenix Pig