Free drawing software for Windows, Mac OS X, and Linux
cy2fluxviz : Cytoscape 2 plugin for flux distribution visualization
The LaTeX Equation Editor
Interactive designer for Celtic knots
Linux Mint based A/V-System
Advanced script editor IDE for squirrel/pawn/lua and more
Business graphics diagramming application + customizable shape lib.
Create and edit SVG graphics directly in ownCloud. Based on svg-edit.
Inkscape extension to add and edit GNUplot graphs
A tool written in Python to draw Splines in MAXONs Cinema 4D
Cuts 3D objects from polystyrene foam (EPS/XPS)
automata editor