ActiveMQ
A messaging middleware server used by Fedora 4 to publish repository events to consumers
Infinispan
The data grid used by Modeshape for storage and clustering
JaCoCo
A code coverage tool
Jenkins
A continuous-integration tool.
Jetty
A light-weight server.
JCR
A Java specification for hierarchical repositories.
JGroups
Clustering technology
JUnit
A unit testing framework
LDPath
A library for querying and retrieving resources by following RDF links
LevelDB
The default key-value store used by Fedora 4.
Maven
A build tool. Fedora 4 code is built using Maven.
ModeShape
JBoss JCR implementation used by Fedora 4.
Nexus
A Maven repository used to distribute software artifacts
Seasme
A framework for RDF
Sonar
A source code metrics reporting tool.
Spring
A dependency-injection and component-wiring framework.
Travis
A continuous-integration tool.
XACML
XML language to specify authentication policies.