anything similar for firefox on linux ? To, say, turn copy-paste back on and do many other little fixes? I really dislike sites that forbid copy-paste (and I

anything similar for firefox on linux ? To, say, turn copy-paste back on and do many other little fixes? I really dislike sites that forbid copy-paste (and I suppose there is a simple solution for that particular problem, like turning off some event in about:config), but I love the idea of fixing problems I did not even knew I had :D