Buildbot is a system to automate the compile/test cycle required by most software projects. Buildbot is no longer hosted on SourceForge. See http://buildbot.net for links and documentation, and http://github.com/buildbot for the source.
Zen Worlds is an object oriented C++ virtual worlds / MMO game engine framework. This project includes Zen Engine game engine client, Zen Enterprise, an Enterprise Service Bus, and a C++ Application Server, and Zen Studio, a game development IDE.