A portable, multi-platform, command-line driven graphing utility
A circuit simulator with graphical user interface (GUI)
An interactive viewer for three-dimensional chemical structures.
Robocode is a programming tank game for Java
SUMO is a microscopic, multi-modal traffic simulation.
Model Railway CAD program
Toolkit for working with and mapping geospatial data
Satellite tracking software
Zoomable user interface (ZUI) with file manager, file viewers and more
JaxoDraw: Feynman Diagrams made easy!
GPS track editor for editing tracks and planning (multiple) day tours
Static and Dynamic Structural Analysis of 2D and 3D frames.