Model Railway CAD program
Draw vector graphics to scale using a descriptive language
JaxoDraw: Feynman Diagrams made easy!
A simple LaTeX {picture} drawing tool
Another drawing editor for LaTeX with PSTricks & TikZ
A bunch of unofficial icons based on Google's Material Design Icons.
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