DIY split-flap display
Chromatone is a digital garden of visual music theory
JaxoDraw: Feynman Diagrams made easy!
Simulation for spacecraft attitude control system analysis and design
Toolkit for working with and mapping geospatial data
Program for molecular graphics
Interactive 3D Layout Viewer for GDSII
Optical Design Software for simulating systems of lenses, prisms, etc.
LostGrid is a powerful grid system built in PostCSS
Optical Simulation software
Highly accurate ray-tracing software system for UNIX computers
Penthode simulates, draw and plot electrical power distributions
Free data acquisition and data visualization cross-platform software
Satellite Power Analysis Tool
A simple program for sharing molecular structures with associated data
Pear3DEngine is a modern and modular 3D development framework