Java RDF Framework
Ease the work with Apache Log4j™ logging library.
Serial Communication between Java and Arduino made simple.
Nifty GUI is a Java Library to create OpenGL based user interfaces.
Java datastructures and algorithms extensions
JFig is a simple, powerful tool to manage application configuration
Database explorer to MySQL, Oracle, Sybase & others. Source maker JSF.
Java library for easy accessing Tor network.
Converter for named parameters on Java command line call
Tarte project provides common API libraries among multi-languages.