Free drawing software for Windows, Mac OS X, and Linux
Pattern making software for the fashion industry.
Delphi version of famous free embroidery-digitizing software: Thred
Interactive designer for Celtic knots
Not your usual Architectural Modeler
Advanced script editor IDE for squirrel/pawn/lua and more
Business graphics diagramming application + customizable shape lib.
dedalo is a 2d cad drawing software written in python3.