nukeevangelist writes:  

no matter what your re working on - no matter which project youre involved with; if you whish to have a Tracker for your projects.

here we have some overviews see the overview on issue-tracker :: more issue, project and bug tracker

one example in details: see the very mature Mantis Bug tracker and see a Trac a wiki based issue and bug tracker written in Python. see more details

both mentioned systems are Very featurerich - try them out - and make shure to travel to the overview on issue-tracker and to this more issue, project and bug tracker

Please add your comments to the both lists. The maintainer are happy about that. btw: see here some more tools project-open.org
Trac a wiki based issue and bug tracker