General
Java Applets: fractals, CA, boids, ants, etc

Cellular Automata
Wikipedia: Cellular Automata
A New Kind of Science - Online text of Stephen Wolfram's book on cellular automata
Wolfram: Cellular Automata (1983) - Wolfram's first paper on CA

Boids
Homepage of Craig W. Reynolds
Graphics Applications of Cellular Automata and Emergence

Evolvable Hardware
Homepage of Adrian Thompson - A lot of great evolvable hardware papers
The 2005 NASA/DoD Conference on Evolvable Hardware
Analog Circuit Design Using Genetic Algorithms - Genetic algorithms used in simulation

Pattern Formation
caos - A one-dimensional cellular automata simulation.