A portable, multi-platform, command-line driven graphing utility
Computer Algebra System written in Common Lisp
An interactive viewer for three-dimensional chemical structures.
SUMO is a microscopic, multi-modal traffic simulation.
2D & 3D TeX-Aware Vector Graphics Language
Toolkit for working with and mapping geospatial data
Agena is an interpreted procedural programming language.
Satellite tracking software
System dynamics program with additional features for economics
JaxoDraw: Feynman Diagrams made easy!
GNU Health - The Libre Digital Health ecosystem
Data analysis tool
Diagrammatic visualization of Port data
Tools for integration and analysis of heterogeneous immunological data
Optical Design Software for simulating systems of lenses, prisms, etc.