I like ifansen.com
Apache Cayenne, Wicket, CXF, GWT, EJB examples as a framework
Real-time data acquisition and visualization software
Command-Line UI Calculator
A GPL software synthesizer for all.
Ein Programm um den Studierenden das Leben leichter zu machen
A light weight proxy tool,
A music porter to automatically create txt from mml.
3D Engine technology with partial tools developing kit.
(Moved to http://code.google.com/p/igb/)