 KSEG Interactive Geometry Software - http://www.mit.edu/~ibaran/kseg.html KSEG is an Open Source program for interactively exploring geometric constructions which can be used to teach geometry in the classroom or for personal enjoyment. |
 The Geometer's Sketchpad Resource Center - http://www.keypress.com/sketchpad This Resource Center supports users of The Geometer's Sketchpad "Dynamic Geometry" software. Contents include a freely-downloadable demo and Java versions; research bibliography; online activity guide; technical support center. |
 Lissajous Figures by Geo Doubek - http://www.angelfire.com/falcon/geodoubek/ Applet that draws the famous Lissajous Figures, with mathematical explanations about it, by Geo Doubek. |
 TTC - http://baldufa.upc.edu/xjaen/ttc/ Mathematica package for doing tensor and exterior calculus on differentiable manifolds. |
 Ricci - http://www.math.washington.edu/~lee/Ricci/ A Mathematica package for doing tensor calculations in differential geometry. |
 Cinderella: Interactive Geometry - http://www.cinderella.de/ Cinderella is a Java based interactive geometry tool. The only available tool that gives correct solutions to typical geometrical problems. |
 Cabri Java beta version - http://www.cabri.net/cabrijava/ Create dynamic geometrical figures using Cabri and publish them as Java applets. |
 Cabri-geometry - http://www.cabri.net/cabri2/accueil-e.php Free software used for teaching secondary school geometry, for university level instruction and as a tool by mathematicians in their research work |
 Cabri Geometry - http://www-cabri.imag.fr/index-e.html The home site for Cabri Geometry, a dynamic geometry package . |
 MowMowMow's Cabri Room - http://www.mowmowmow.com/math/cabri/index_e.htm Many Cabri files aimed at high school level geometry. |
 Dr. Geo - http://www2.ofset.org/drgeo An interactive geometry program for Linux, distributed under the GNU public license. (Free) |
 GEUP - http://www.geup.net/index_eng.htm An interactive geometry program for Windows. Evaluation version free to download. |
 GEUP - Interactive Geometry software. - http://www.geup.net GEUP is an interactive geometry tool. Lets you dynamically explore Mathematics, build mathematical models of real world or create interactive mathematics presentations. |
 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. |
 Riemann surfaces visualisation - http://www.geom.uiuc.edu/apps/unifweb/about.html Unifpack is a set of programs and C libraries designed to help in the study of Riemann Surfaces. |
 Symmeter - http://www.symmeter.com/ An on-line tool for understanding and measuring symmetry. |
 Geometria - http://geocentral.net/geometria A Java program in solid geometry. Solids can be measured, cut, drawn upon. 60 sample problems with resolutions. |
 Polyhedron - http://www.geocentral.net/polyhedron Interactive application for solid geometry with 250 built-in problems. Simulates ruler, compass, protractor and other tools. Solids can be cut, displayed differently, rotated, joined again. |
 KwikTrig - http://www.fracaro.net/kwiktrig.htm A free trigonometry solving program for Windows. |
 Rite Item - http://www.riteitem.com/ Geometrical shareware software. Anyangle (Windows/DOS) finds answers to problems involving triangles. Partydot creates patterns. |
 Great Math Programs - http://www.xahlee.org/PageTwo_dir/MathPrograms_dir/mathPrograms.html A collection of mathematical programs, with particular reference to geometry. |
 Riemannian Geometry & Tensor Calculus @ Mathematica - http://www.inp.demokritos.gr/~sbonano/RGTC/ Free Mathematica package for explicit tensor calculations in Riemannian Geometry. |
 WinGCLC - http://poincare.matf.bg.ac.rs/~janicic//gclc/ a tool for describing geometric constructions and making digital illustrations in LaTeX and bitmap format. |
 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. |
 C.a.R. Geometry Program - http://mathsrv.ku-eichstaett.de/MGF/homes/grothmann/car.html A free program allowing Compass and Ruler constructions. Now also available in Java. |
 Singular - http://www.singular.uni-kl.de/ Computer algebra system for polynomial computations. Free download. |