Model Railway CAD program
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
Scientific Visualisation Made Easy
BoofCV is an open source Java library for real-time computer vision.
very good CAD software
JaxoDraw: Feynman Diagrams made easy!
Open Source Solid Modeling CAD
utilities for cadastre system
Open-Source Shoemaking
Earth orbits and satellite coverage display in 3D on your laptop.
Lightweight app for visualization of Mandelbrot and Julia set