Cross Platform GUI Toolkit
Draw vector graphics to scale using a descriptive language
Another drawing editor for LaTeX with PSTricks & TikZ
A bunch of unofficial icons based on Google's Material Design Icons.
Just a simple flat design vector based character designer.
Former project page
A graphical Finite State Machine (FSM) designer.
Jade is a cross-platform diagram editor built on the Qt framework.
Interactive designer for Celtic knots
Output Processing script from Java AWT/Swing paint call
Create and edit SVG graphics directly in ownCloud. Based on svg-edit.
Open Source CAD