There are various “emacs powered” or “powered by GNU EMACS” logos and buttons around the place, but I can’t find a definitive list or any distribution terms for them.

So, I’ll start a list here and see what happens.

Powered by Emacs

There are others, but I’m tired of that game now. See also http://images.google.co.uk/images?q=emacs+powered


Powered by Emacs Add-On Package

See also EmacsLogo.