Symja - Java computer algebra language & symbolic math library
dBase for Java
Robocode is a programming tank game for Java
A free COBOL compiler
Android, UIQ 3.0, Series 60 Edition 5 open-source software
Convert any image to gerber and drill files
Pure Java Network Tools
The open sourced NetRexx reference implementation
Jainja is a JVM (Java Virtual Machine) written in Java
An Interactive Visualisation for Tabular Data
Terminal text colorizing and simplifies script coding.
Diagrammatic visualization of Port data
The world's only naturally intelligent knowledge technology
Java Settlers
Java regular expression debugger
JamochaMUD is a Java MUD/MUCK client.
Powerful desktop search app for Windows, Linux and Mac