My projects:

Squirm3
An artificial chemistry that supports self-replication
September 2001 - present
Squirm
A simple cellular automaton representation of a squirmy flexible blob
June 2001
CellLife
Representing a multi-celled creature using a tree structure of cells
August 2000
Chase/Evade
The coevolution of pursuit and fleeing strategies
July 2000

Other projects:

von Neumann's Universal Constructor
A Windows implementation of von Neumann's self-replicating machine.