Model-rocketry aerodynamics and trajectory simulation software
CADAM is the open source text-to-CAD web application
Application for analysis of AFM data
GMES is a free Python package for FDTD electromagnetic simulations.
collection of illustrative programs:small games, simulators: C, Matlab
Cuts 3D objects from polystyrene foam (EPS/XPS)
A serial robot kinematics library