JaxoDraw: Feynman Diagrams made easy!
Draw vector graphics to scale using a descriptive language
Model Railway CAD program
Another drawing editor for LaTeX with PSTricks & TikZ
A simple LaTeX {picture} drawing tool
Cross Platform GUI Toolkit
Vector drawing program for LaTeX using PSTricks
Simple and intuitive 2D vector drawing for electronics and not only.
Just a simple flat design vector based character designer.
Former project page
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
Interactive designer for Celtic knots
Output Processing script from Java AWT/Swing paint call
Filtered is a tool for editing SVG filters
Create and edit SVG graphics directly in ownCloud. Based on svg-edit.