Bar Code (1D or 2D) generator in pure Ada
JaxoDraw: Feynman Diagrams made easy!
Toolkit for working with and mapping geospatial data
Cross Platform GUI Toolkit
Growth-grammar related Interactive Modelling Platform
A graphical Finite State Machine (FSM) designer.
Free drawing software for Windows, Mac OS X, and Linux
Free online HTML website builder
Community Supported Eclipse Visual Editor