The Debian Archive Software consisting of dak (Debian Archive Kit) for the archive and the buildd related parts wanna-build/sbuild.

dak is the collection of programs (scripts) ?used to maintain the Debian GNU project archive. You need a running postgresql

All the archive info managed by dak are stored in the ProjectB database, which is accessible by all DebianDevelopers.

See also: HowToSetupADebianRepository, DakHowTo, ProjectB.