Sorting Demonstration Sites/Applets
http://ww0.java2.datastructures.net/textbook/cool.html
http://www.cs.pitt.edu/~kirk/cs1501/animations/SortApplets.html
http://cg.scs.carleton.ca/~morin/misc/sortalg/
http://sciris.shu.edu/~borowski/Sorting/SortingDemo.html
Huge List of Algorithms:
http://www.nist.gov/dads/