A comprehensive directory and tutorial for genetic programming. Includes conferences, researchers, journals, software, and papers. http://www.geneticprogramming.com/
Thesis and software demonstrating teamwork in genetic programming. Simulates evolving software emulating ants and collective behavior. http://www.lalena.com/ai/ant/
A GP toolkit for exploring problems which don't have a natural fitness function and need human intuition to select the "best of the breed." http://www.geom.uiuc.edu/~trowley/genetic/
A research group at the University of Idaho that explores and attempts to understand properties and limitations of the evolutionary process. http://www.cs.uidaho.edu/~foster/research/
A group of graduate students in the Department of Computing and Information Sciences at Kansas State University with an emphasis to genetic programming. http://geckies.user.cis.ksu.edu
Contains a Java Applet for symbolic regression using GP. It allows the import of data and the export of the resulting equations to spreadsheet applications like Excel. http://www.potschi.de/sr/
Genetic Programming (JGProg) is an open-source pure Java implementation of a strongly-typed Genetic Programming experimentation platform. http://jgprog.sourceforge.net/