An award-winning drawing program for children of all ages
A simple LaTeX {picture} drawing tool
very good CAD software
2D CAD for precise drawing
Vector drawing program for LaTeX using PSTricks
Simple and intuitive 2D vector drawing for electronics and not only.
Simple drawing program for Linux
A hybrid graphics editor and programming environment
Free drawing software for Windows, Mac OS X, and Linux
A drawer for origami crease pattern
dedalo is a 2d cad drawing software written in python3.
OBSOLETE; try http://drawpile.net/ instead!
Vector based drawing software designed for RPGs