Hmmm, an article on free software for scientists that doesn't even mention Emacs, not even once? Ah, right — Emacs is really not so free. While it doesn't cost

Hmmm, an article on free software for scientists that doesn't even mention Emacs, not even once? Ah, right — Emacs is really not so free. While it doesn't cost money, it exacts payment in sweat, tears, and kidney stones from all the Kool-Aid you'll drink. :)