I've recently stumbled upon some wiki's which use version control systems for their backend, namely
This seems like a pretty neat idea to me and I wanted to play around with one such wiki. I was wondering if the StackOverflow community has been using such wikis and could provide a list of some of these. If you've used multiple of these wikis, an objective comparison would be a bonus.
Thanks in advance.
PS: I've looked at this question but it doesn't seem to be asking the same thing.
Edit: wikirial seems to be another such wiki. Uses mercurial.