This could be interesting, and it's certainly timely. Hope it works. I signed up to get an invite.
Ryan Grove (@yaypie on Twitter), director of engineering, says:
“We want Cake to be a place where people have great conversations. That means we’re not interested in being a platform for hate speech, harassment, and trolls, because those things aren’t great. Cake was built with this in mind from the beginning, not as an afterthought.”