For the ten people out there that miss iframe designs, I have an extension that will remind you of the good ol’ times. Split Panel allows you to split your browser window up into tiny bite size.. umm, smaller windows?
Open panel to left, bottom or right (left,middle or right click) with current URL from [...]

Well, I have always heard that there is no such thing as a bad idea. No matter if you think that is the case or not, there are more than a few bad Firefox extensions. Now I do not mean bad as in they will hurt you, I mean bad as in they [...]