To show the difference in the developments, compare the single-shot Liberator featured in this article to the revolving Washbear designs by FOSSCAD: https://imgur.com/a/M1A0P/layout/horizontal#0 or the semi-auto Shuty MP-1v4 https://twitter.com/fosscad/status/718190339090059265
Cody is more of a political agitator and propagandist, whereas the FOSSCAD community are typically much more gun-enthusiast/engineer-y - although they share similar political opinions, their motivations seem to be much technical/recreational rather than political.