MyBB Community Forums

what software and/or sites do you guys like to keep track of bugs?

I know there's redmine and then github.

http://phabricator.org/

A truly amazing set of tools. If you're looking for something for a small project then Github should suffice.

I really like the bug genie actually :p
I find it's got a nice look and feel to it and does the job well
http://www.thebuggenie.com/

I just use github issues. I'm lazy and don't work on any big apps right now.