actually, the core of GNU emacs was Gosmacs, until Unipress decided they didn't like that.

http://features.slashdot.org/story/13/01/06/163248/richard-s...

"The last piece of Gosmacs code that I replaced was the serial terminal scrolling optimizer, a few pages of Gosling's code which was proceeded by a comment with a skull and crossbones, ... "