Free drawing software for Windows, Mac OS X, and Linux
CNC control software
Not your usual Architectural Modeler
A 2D Elite-style game written in Python 3.2.
2D space game with semi-realistic physics
dedalo is a 2d cad drawing software written in python3.
Inkscape extension to add and edit GNUplot graphs
A tool written in Python to draw Splines in MAXONs Cinema 4D