Professional quality open source illustration software
Former project page
Extensible vector graphics editor with Latex text support.
Inkscape plugin for generating the fibonacci pattern
A graphical Finite State Machine (FSM) designer.
Font editor
Jade is a cross-platform diagram editor built on the Qt framework.
Free drawing software for Windows, Mac OS X, and Linux
Pattern making software for the fashion industry.
Interactive designer for Celtic knots
Not your usual Architectural Modeler
Output Processing script from Java AWT/Swing paint call
Business graphics diagramming application + customizable shape lib.
Create and edit SVG graphics directly in ownCloud. Based on svg-edit.
dedalo is a 2d cad drawing software written in python3.