Otter is being released under BSD, and source will be made available at OtterLang.org, so it's more of a bazaar effort (in contrast to Graham's Arc cathedral).
His last slide had a list of links & resources (there's a subversion subdomain for getting the latest source, IIRC), but he also said not everything's been posted yet.
It's real, though; he brought a running version on his laptop and demoed some of the basic stuff for us.
Otter is being released under BSD, and source will be made available at OtterLang.org, so it's more of a bazaar effort (in contrast to Graham's Arc cathedral).