I also love FogBugz. As far as FogBugz and time tracking goes, it works great. It goes beyond just tracking who did what and for how long, it translates that in

I also love FogBugz. As far as FogBugz and time tracking goes, it works great. It goes beyond just tracking who did what and for how long, it translates that into pretty accurate estimates of how long your project will take to complete. They also have a free Student and Startup Edition of FogBugz on Demand for up to 2 users.