An interactive viewer for three-dimensional chemical structures.
GPS log file viewer and analyzer
JaxoDraw: Feynman Diagrams made easy!
Cross-platform Open-source 2D CAD
Draw and Simulate Finite States Machines (FSM)
Simple and intuitive 2D vector drawing for electronics and not only.
Le couteau suisse du prof de maths
Electronic design and programming tools suite like Eagle, MpLab
An Academic Literature Suite