v1.4 [Jul 5, 2011] A variety of visual modes:including isolating partial circuits to show use,hiding intermediate gates,and not showing different colors for true/false (useful for preparing circuits for use in documents).
A free image curve extract tool that is simple and easy to use
Generate 3D STL files of gears for real printing
IrriPro
Let your Children learn easily
R Project: Analyser for biochemistry students and scientists