Where to start? There are so many. This Wikipedia article lists quite a few in the footer of the page.
Only want open source? Try this list.
Of course if you still want to use Bugzilla you can always download and build it yourself.
Es sieht so aus, als ob Bugzilla von Debian und Ubuntu gestrichen wird. Gibt es alternative Pakete, die ähnliche Dienste anbieten?
Where to start? There are so many. This Wikipedia article lists quite a few in the footer of the page.
Only want open source? Try this list.
Of course if you still want to use Bugzilla you can always download and build it yourself.
I'm not sure it is in fact being dropped from Debian. I can still see the package in Wheezy for example. It is called libwww-bugzilla-perl. Have you searched for that?