Mole
Mole has been a QA work-in-progress project in 2007 by Jeroen van Wolffelaar <jeroen@debian.org> as part of his Google Summer of Code project.
Source code and services are no longer online.
It's idea has been supplanted by UDD, the UltimateDebianDatabase.
Talk in Edinburgh, on Friday June 22nd 2007: http://meetings-archive.debian.net/pub/debian-meetings/2007/debconf7/low/371_Mole_Infrastructure_for_managing_information.ogg
(Also look at CRMI.)