Our Builder generates our repositories and liveCD.
It is a series of bash scripts, which you may retrieve from our Bazaar repository (If you are unable to branch builder, your version of bzr may be out of date. please update from the bzr PPA at http://ppa.launchpad.net/bzr/ppa/ubuntu).
Emeta - generating extra meta packages
Builder wiki - a place where anyone can contribute resources and fixes for builder