2D & 3D TeX-Aware Vector Graphics Language
An interactive viewer for three-dimensional chemical structures.
Model Railway CAD program
Lynkeos is an astronomical webcam image processing software for OS X.
Toolkit for working with and mapping geospatial data
A Fractal Zoomer with various functions.
itom - an Open Source Measurement, Automation and Evaluation Software
medical image conversion utility
very good CAD software
French Geographic Information System
BoofCV is an open source Java library for real-time computer vision.
JaxoDraw: Feynman Diagrams made easy!
Scientific Visualisation Made Easy
Open Source Solid Modeling CAD