TestNG testing framework
Distributed tracing for spring cloud
The SpotBugs plugin for security audits of Java web applications
Java Application Framework
JEE based Accounting web-application.
object validation framework for Java
Java RDF Framework
A Physics Theory for Unifying Classical, Quantum and Relativistic Phys
The OSGi first software artifact repository
Bunch of Apache Maven plug-ins and tools
Tools for the Eclipse Platform