A collection of open source and public domain software for Java, XML, and Cocoa, primarily. Some projects: ThreadWorker, Xmlizable, Base64, Tabu Search.
ASM is the Santa Fe Institute "Artificial Stock Market" simulation model. This page is mainly aimed to the revision/updating of ASM using the Swarm Toolkit, which is provided by Swarm Development Group (http://www.swarm.org).
SenseTalk is an exceptionally readable scripting language in the xTalk (HyperTalk) family. This Project serves as a home for SenseTalk-related OpenSource projects. Although SenseTalk itself is not OpenSource at this time, some extension modules are.