If vim, emacs, sublime & notepad++ are IDE's I'll vote for ed.
lol I use the python shell and notepad++....
m8. I'll fuck you up. Put Atom up in this bitch or I will personally execute your entire family. You're dead kiddo. It's not in the top 10 list because it's fairly new, but FUCK is it popular and calling it amazing is an understatement
Code::Blocks, simple to use, starts up way faster then Eclipse.