:The [http://buildbot.net/trac Buildbot] is a system to automate the compile/test cycle required by most software projects to validate code changes. By automatically rebuilding and testing the tree each time something has changed, build problems are pinpointed quickly, before other developers are inconvenienced by the failure. [http://buildbot.net/buildbot/docs/current/Introduction.html#Introduction]

: [http://buildbot.net/buildbot/docs/current/index.html#Top Here] is the documentation for Buildbot. [https://developer.mozilla.org/presentations/buildbot-2.01.07.mov This video] also explains different features of this system.

:-Change Sources, which create a Change object each time something is modified in the VC repository. Most ChangeSources listen for messages from a hook script of some sort. Some sources actively poll the repository on a regular basis. All Changes are fed to the Schedulers.