Real-time physically based rendering engine for Android, iOS, and more
High-speed, 3D-friendly, TightVNC-compatible remote desktop software
Robocode is a programming tank game for Java
A free COBOL compiler
an Open Source BPMN 2.0 / DMN 1.1 Modeler
Europa Universalis 4 save game editor
Arianne is an engine to develop multiplayer online games like Stendhal
Nyquist is a language for sound synthesis and music composition.
DVB transport stream analyzer written in java
Easy-to-use personal time tracking application for Windows and Unix
Freeplane add-on for task management and memo taking
Java Disk Benchmark Utility
Precision Trigonometry: Advanced Calculator for Complex Math
The Investor's Clock shows the time in different time zones.
Java Image Processing Program
Java dozenal clock showing TGM time
MiRDeep*
A java 3d simple virtual celestial globe. Source code available
Night Vision is a "planetarium" program written in Java