Kactus2 is a graphical EDA tool based on the IP-XACT standard.
View and edit DICOM tags (Windows & Mac & Linux)
Simple astronomical CCD controller
Design your own pottery for 3D printing in full color
Generator of the Mandelbrot family fractals
2.5D CAD CAM emphasis on CAM and toolpaths
The LaTeX Equation Editor
An open source fractal generator extensible with scripts.
3d printing software
Cuts 3D objects from polystyrene foam (EPS/XPS)