A portable, multi-platform, command-line driven graphing utility
Tools to process and visualize scientific data and images
Computer Algebra System written in Common Lisp
General Mission Analysis Tool
Open source finite element software for multiphysical problems
An interactive viewer for three-dimensional chemical structures.
The cross-platform library behind the Hugin photo stitcher
Data Analysis, Simulations and Visualization on the Sphere
Viking is a free/open source program to manage GPS data
2D & 3D TeX-Aware Vector Graphics Language
A library for scientific data visualization
TimingEditor is a tool to graphically draw and edit timing diagrams.
Toolkit for working with and mapping geospatial data
JaxoDraw: Feynman Diagrams made easy!
Draw vector graphics to scale using a descriptive language
MathMod is a mathematical modeling software
Klusters, NeuroScope and NDManager