blog . retrospectiva
collaboa fork - subversion viewer / ticketing system
bug/ticket tracking - Gitorious | Google Groups
discussion on storing a projects bug tracking data in it's Git repo so that it too is versioned and distributed. very cool idea.
Kipling - Gitorious
a bug/issue tracker that stores it's data in git
schacon's ticgit at master — GitHub
another bug/issue tracker that uses git for storage
Ditz
yet another ticket tracking system designed for use with DVCS
Sam Ruby: Life after Bug Tracking Systems
Do some projects that use a DVCS no longer require a bug tracker?