Applet Collections

Walter-Fendt	This website is a collection of many useful math and physics applets.
Shodor	Shodor is a national resource for math and science education. This site contains many useful applets for for all kinds of math.
IES-Math	This site has various math applets for all math students ranging from middle school to college.
McGraw-Hill	A collection of interactive applets designed to help students learn and make connections to concepts.
Saint Louis University Math Department	This site has multiple collections of applets for subjects below calculus. It includes trigonometry, graphing, and geometry among others.

Some Useful Applets

Pythagorean Theorem Applet	This applet is a visual of how the Pythagorean Theorem works.
Tower Problem Applet	This applet is a game involving moving rings to form a tower.
Cross Sections	Using this applet you can examine the cross sections of different shapes.
Inscribed and Central Angles	Using this applet students can see the relationship between inscribed and central angles subtending the same arc.
Probability: Stick or Switch	This is a probability game. Users can choose different strategies and see which give better chances to win.