This site is a source for NetLogo information, resources, models, and FAQs. NetLogo is a programmable modeling environment for modeling complex systems of natural and social phenomena that develop over time. It allows the user to control variables and observe micro and macro level patterns of behavior. NetLogo has a Models Library of simulations that can be run as they are or modified to satisfy the users inquiry. It is a standalone application written in Java so it can run on all major platforms. From this site, the user can download NetLogo, including the Models Library, for free and sign up for various mailing lists.