NSD graphical editor, for Java development and rev-engineering
Responsive and slick progress bars
Extensible vector graphics editor with Latex text support.
Experimental vector graphics and 2D animation editor
A graphical Finite State Machine (FSM) designer.
Font editor
Jade is a cross-platform diagram editor built on the Qt framework.
another vector editor to create drawings
Free drawing software for Windows, Mac OS X, and Linux
cy2fluxviz : Cytoscape 2 plugin for flux distribution visualization
The LaTeX Equation Editor
Delphi version of famous free embroidery-digitizing software: Thred
Interactive designer for Celtic knots
Linux Mint based A/V-System
Advanced script editor IDE for squirrel/pawn/lua and more
2D space game with semi-realistic physics
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