Amusing that it's hosted on Github [1].

There's also Gitorious, which has been around a while and is mature, full-featured, and provides both a SaaS [2] and the FOSS software you can host yourself [3]. I keep backups of some of my repo's there.

[1]: https://github.com/gitlabhq/gitlabhq

[2]: http://gitorious.org/

[3]: http://gitorious.com/