Candidate List

Name: EclipseLink
Home: http://www.eclipse.org/eclipselink/
   The EclipseLink project delivers a comprehensive open-source Java persistence solution addressing relational, XML, and database web services.

Name: ElasticMQ
Home: https://github.com/adamw/elasticmq
   Message queueing system with an actor-based Scala and Amazon SQS-compatible interfaces. Runs stand-alone or embedded.

Name: Elasticsearch
Home: http://www.elasticsearch.org/
   Open Source, Distributed, RESTful, Search Engine

Name: Equinox
Home: http://www.eclipse.org/equinox/
   Equinox is an implementation of the OSGi R4 core framework specification, a set of bundles that implement various optional OSGi services and other infrastructure for running OSGi-based systems.

Name: Exhibitor
Home: https://github.com/Netflix/exhibitor
   ZooKeeper co-process for instance monitoring, backup/recovery, cleanup and visualization.

Name: fabric8
Home: http://fabric8.io/
   fabric8 makes it really easy provision, configure and manage open source integration technologies on a number of containers (or JVMs).

Name: Apache Felix
Home: http://felix.apache.org/
   Apache Felix is a community effort to implement the OSGi R4 Service Platform and other interesting OSGi-related technologies

Name: Apache Flink
Home: http://flink.apache.org/
   Fast and reliable large-scale data processing engine

Name: Apache Flume
Home: http://flume.apache.org/index.html
   Flume is a distributed, reliable, and available service for efficiently collecting, aggregating, and moving large amounts of log data. It has a simple and flexible architecture based on streaming data flows. It is robust and fault tolerant with tunable reliability mechanisms and many failover and recovery mechanisms. It uses a simple extensible data model that allows for online analytic application.

Name: Flayway
Home: http://flywaydb.org/
   The agile database migration framework for Java

Name: JBoss Forge
Home: http://forge.jboss.org/
   The fastest way to build applications, share your software, and enjoy doing it.

Name: Frege
Home: https://github.com/Frege/frege
   Frege is a non-strict, pure functional programming language in the spirit of Haskell. Frege programs are compiled to Java and run in a JVM.

Name: GAE
Home: https://developers.google.com/appengine/
   Google App Engine Java SDK

Name: gaiden
Home: https://github.com/kobo/gaiden
   Gaiden is a tool that makes it easy to create documentation with Markdown. It assumes familiarity with the command-line. The Groovy language is the base of the tool.

Name: Gant
Home: http://gant.codehaus.org
   Groovy Ant Scripting

Name: Gatling
Home: http://gatling-tool.org/
   Efficient Load Testing

Name: GCViewer
Home: https://github.com/chewiebug/GCViewer
   GCViewer is a little tool that visualizes verbose GC output

Name: Apache Geode
Home: http://geode.incubator.apache.org/
   Apache Geode provides a database-like consistency model, reliable transaction processing and a shared-nothing architecture to maintain very low latency performance with high concurrency processing. Download Geode

Name: Apache Geronimo
Home: http://geronimo.apache.org/
   Apache Geronimo is an open source server runtime that integrates the best open source projects to create Java/OSGi server runtimes that meet the needs of enterprise developers and system administrators.

Name: Giraph
Home: http://giraph.apache.org/
   Giraph is an iterative graph processing system