This may be old by now, but it's the first I've seen of it. Apparently an outgrowth of the Free State Project, the FTP aim to "stop enforcement of Laws prohibiting Victimless Acts among Consenting Adults, such as Dueling, Gambling, Incest, Price-Gouging, Cannibalism, and Drug Handling."
I am very amused. Go libertarians!
Someone has brought it to my attention that these people aren't serious. I'm somewhat disappointed, but I should have known that real libertarians would never have failed to mention bestiality and necrophilia.