Toolkit for working with and mapping geospatial data
JaxoDraw: Feynman Diagrams made easy!
Draw vector graphics to scale using a descriptive language
Another drawing editor for LaTeX with PSTricks & TikZ
Growth-grammar related Interactive Modelling Platform
CAD application for Technical Drawing exercises
Simple and intuitive 2D vector drawing for electronics and not only.
Former project page
Hand Written Equation Creator
A drawer for origami crease pattern