Cross-platform Open-source 2D CAD
A cross-platform statistical package for econometric analysis
Computer Algebra System written in Common Lisp
A circuit simulator with graphical user interface (GUI)
GPS log file viewer and analyzer
Scanning probe microscopy data visualisation and analysis
An interactive viewer for three-dimensional chemical structures.
a parametric 3D CAD modeler
Open source Health IT for the planet
Viking is a free/open source program to manage GPS data
JaxoDraw: Feynman Diagrams made easy!
Text-to-Speech for Basque and Spanish
Parse and decode METAR, TAF, SYNOP, BUOY, AMDAR and write data as XML