EKB just spotted this browsing SourceForge:
http://ecolab.sourceforge.net/
Where: http://ecolab.sourceforge.net/ http://sourceforge.net/projects/ecolab Description: "EcoLab is both the name of a software package and a research project that is looking at the dynamics of evolution. EcoLab the software package is now a fairly complete agent-based simulation system." (From web site) Updated: Dec 2006 Contact: See web site
From the description: