Java
The material presented in the following pages are for middle school students, high school students, college students, and all who are interested in mathematics. You will find interactive programs that you can manipulate and a lot of animation that helps you to grasp the meaning of mathematical ideas. Attention: Manipula Math Applets and CabriJava need a JDK 1.1 compliant browser like Microsoft ...
www.ies.co.jp/math/java/   reviews

Mathlab.com
Home of Hands-on Geometry ...
mathlab.com/   reviews

Graph It ! - Graph your mathematical functions / Example of Javascript.
This applet uses dynamically created pictures to draw the graph of your mathematical function. It is a good example of the possibilities of Javascript.
www.geocities.com/SiliconValley/Heights/1700/graphit.htm   reviews

WWW interactive mathematics server
This is the main site of WIMS (WWW Interactive Mathematics Server): interactive exercises, online calculators and plotters, mathematical recreation and games ...
wims.unice.fr/wims/wims.cgi   reviews

Traces animes
Plot zooming, deforming and rotating curves and surfaces. This is the main site of WIMS (WWW Interactive Mathematics Server): interactive exercises, online calculators and plotters, mathematical recreation and games ...
wims.unice.fr/wims/wims.cgi?module=tool/geometry/animtrace.en   reviews