Hi All,Thank you all for the kind responses. I got the following suggestions, of which only NetLogo got more than one vote (6):
Free software: NetLogo (http://ccl.northwestern.edu/netlogo/) SADIE (http://www.rothamsted.bbsrc.ac.uk/pie/sadie/SADIE_home_page_1.htm)SELES = Spatially Explicit Landscape Event Simulator (http://www.seles.info)
Paid software: Simile (http://www.simulistics.com/) Stella (http://www.iseesystems.com/softwares/Education/StellaSoftware.aspx) Ecobeaker (http://simbio.com/products-college/EcoBeaker) Thanks, Kim -- http://www.kimvdlinde.com