Artificial Worlds

Ant Farm Simulator
A VB based simulator of food-gathering behavior of ant colonies. Executable and VB source code are available.
http://www.geocities.com/chamonate/hormigas/antfarm/

Critters
Agents evolve to stay on the screen.
http://www.oursland.net/projects/critters/

Darwin Pond
An imaginary gene pool, a primordial puddle of genetic surprises. Free download; Windows.
http://www.ventrella.com/Darwin/darwin.html

E-den
Freeware artificial life program designed for Windows. 2-dimensional evolutionary world with simulated neurons.
http://www.geocities.com/ResearchTriangle/Forum/3830/

Eden
A networked, self-generating artificial ecosystem by John McCormack. A CD-ROM version for Macintosh and Windows is available for on-line purchase.
http://www.csse.monash.edu.au/~jonmc/projects/eden/eden.html

Hardware Artificial Life (HAL)
Lotus Artificial Life's Java cellular automata substrate capable of supporting evolving, self-reproducing organisms which are capable of universal computation.
http://www.alife.co.uk/hal/index.html

Individual-Based Fish Modeling At Humboldt State University
Modeling software, theory, and applications. Instream flow model for trout. Salmon out-migration survival simulator.
http://www.humboldt.edu/~ecomodel/

Java, Artificial Life, and creature behaviour
Java application simulates creature behaviours and movement. Available for free download, including source code, and a paper on Artificial Life.
http://skyscraper.fortunecity.com/altavista/819/

JuhasWorld
JuhasWorld: Yes it's alive! You have to see this applet to believe it. Just let those actors evolve for a few generations and they suddenly seem quite clever indeed. Wait a few more generations and you will be completely hooked: How good can they get?
http://www.geocities.com/SiliconValley/Bit/4699/

The MatremPage
An experiment in artificial life, and a game as well, where players create new animals to struggle and survive.
http://www.phys.uu.nl/~romans

NecroBones Artificial Life Experiments
Features three Java artificial life experiments.
http://www.necrobones.com/alife/

Pandamat
Highlights the Pandamat artificial intelligence system.
http://www.cswnet.com/~jwhitled/thesis.htm

PolyWorld Information (author's site)
Source of information, technical report, and source code for the PolyWorld computational ecology, maintained by Larry Yaeger, PolyWorld's author. (This site contains more up to date links and information than the PolyWorld page at the Santa Fe Institute site.)
http://www.beanblossom.in.us/larryy/PolyWorld.html

Quantum Flux: The Virtual Intelligence Matrix
A model of human brain function designed by a neuroscientist at UCSD. The VIM is used to drive 3D characters who live in virtual worlds and can express emotion and creativity.
http://www.qflux.org/

Red Bird Island: Artificial Life
Simple world with automata that act to form complex systems. Implimented on the Macintosh.
http://homepage.mac.com/redbird/brew/alife.html

The Virtual FishTank
Designed for people of all ages, the FishTank offers firsthand experiences in creating artificial life forms and reveals how simple behavioral rules can produce complex and surprising results.
http://www.virtualfishtank.com/