Bug Tracking Alex is looking for bug tracking software. I have never used this (use a spreadsheet - the shame!) but fogbugz is supposed to be good..
You can find an exhaustive list of Bug Tracking applications here:
I know of anohter windows based simple bug tracking solution:
AdminLog Freeware for SQL server - very nice and easy - works with SQL server. however, security and permissions are not implemented, yet its just what our small dev team (4 people) needed...