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ALife.org
Home of the International Society of Artificial Life (ISAL).
http://www.alife.org/
Artificial Life and Other Experiments
Genetic-algorithm and cellular-automata experiments written in cross-platform web languages (Java, TCL/TK), with free source code.
http://www.aridolan.com/
Cellular Automaton
Introduction to self-replication in cellular automata with Java examples.
http://www.automaton.ch/