 Bette Veteto's Homepage  History of Mathematics, very strong on geometry
 Computational Geometry Pages  A comprehensive directory of computational geometry resources
 Erich's Combinatorial Geometry Page
 Erich's Packing Center
 Fibonacci Numbers and the Golden Section  This is the Home page for the Fibonacci numbers, the Golden section and the Golden string. Department of Computing School of Electronic Engineering, IT and Mathematics University of Surrey, UK
 Geometry Center  Center for the Computation and Visualization of Geometric Structures, at the University of Minnesota.
 The Geometry Forum  An electronic community focused on geometry and math education based at Swarthmore college.
 Geometry in Action  This page collects various areas in which ideas from discrete and computational geometry meet some real world applications.
 The Geometry Junkyard  Usenet clippings, web pointers, lecture notes, research excerpts, papers, abstracts, programs, problems, and other stuff related to discrete and computational geometry.
 The Kepler Conjecture  A great source of information on the recent proof of Kepler conjecture about sphere packings.
 Macchine matematiche  Inizio  A wonderful site with pictures of mathematical machines, together with Cabri and Java demonstrations (in Italian)
 Manipula Math with Java  Java applets demonstrating many geometrical and other theorems
 NonEuclid  Hyperbolic Geometry Article + Software Applet  NonEuclid is a software simulation offering straightedge and compass constructions in hyperbolic geometry.
 Problem of the Minimum RotationSurface
 Steiner Surfaces  Mathematical descriptions and raytraced images of every type of Steiner surface
 Tim Lister's Hyperbolic Geometry  Cabri constructions for the demonstration of the basic concepts of hyperbolic geometry in the Poincare disc model.
 Wallpaper Groups  Wallpaper Groups
 Wilson Stothers cabri and conics pages  A site devoted to (mainly projective geometry) illustrated by Cabri II and CabriJava
 Wilson Stothers' Inversive Geometry and CabriJava Pages  A page on inversive geometry with CabriJava illustrations. Includes Steiner's Porism and the arbelos.
 Xah: Visual Dictionary of Special Plane Curves  A Visual Dictionary of Special Plane Curves with stunning graphics
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