Simulations

BackpropXOR
Demonstration of back-propagation in a neural network. [Open Source]
http://www.croftsoft.com/portfolio/backpropxor/

RCOS.java
An educational tool designed to help people understand the inner workings of an operating system.
http://rcosjava.sourceforge.net/

Real time 3D physics simulator applet
An applet which simulates many aspects of Newtonian Physics in 3D.
http://www.ambromley.co.uk/fizz.html

R.Mukundan::Java Applets Center
Illustration computer graphics algorithms, computer vision algorithms, computational geometry algorithms, data structures and algorithms.
http://www.cosc.canterbury.ac.nz/people/mukundan/JavaP.html