First and foremost, what is your favorite roleplay addon? I myself use MyRoleplay, but it's been a few years since I've looked at what's out there. I know there are several competing roleplay addons with various strengths and weaknesses. What do you use and how do you like it?
I'm also a big fan of Altoholic, which tracks my items (and everything else) across many characters. For GnomeTech recruiters, I recommend Recruitment Enhancement, which makes the Guild Finder almost usable.