Being put together by Eliezer Yudkowsky of LessWrong. Content is
cc-by-sa 3.0, don't know about the software.
https://arbital.com/p/arbital_ambitions/
Rather than the "encyclopedia" approach, it tries to be more
pedagogical, teaching the reader at their level.
Analysis from a sometime Yudkowsky critic on Tumblr:
http://nostalgebraist.tumblr.com/post/140995096534/a-year-ago-i-remember-be…
(there's a pile more comments linked from the notes on that post,
mostly from quasi-fans; I have an acerbic comment in there, but you
should look at the site yourself first.)
No idea if this will go anywhere, but might be of interest; new
approaches generally are. They started in December, first publicised
it a week ago and have been scaling up. First day it collapsed due to
load from a Facebook post announcement ... so maybe hold off before
announcing it everywhere :-)
- d.