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GANG Software Suite - http://www.gang.umass.edu/software/
A set of mathematical environments for computing,
visualizing and experimenting with geometric objects; built with the
OpenGL/Mesa library and the GTK+ user interface. |
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Qhull for convex hulls, etc. - http://www.qhull.org
Qhull for computing the convex hull, Delaunay triangulation, Voronoi diagram, and halfspace intersection about a point. |
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Dr. Geo - http://www.ofset.org/drgeo
An interactive geometry program for Linux, distributed under the GNU public license. (Free) |
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WinGCLC - http://www.matf.bg.ac.yu/~janicic/gclc/
a tool for describing geometric constructions and making digital illustrations in LaTeX and bitmap format. |
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Great Math Programs - http://www.xahlee.org/PageTwo_dir/MathPrograms_dir/mathPrograms.html
A collection of mathematical programs, with particular reference to geometry. |