Perl and Git
"Like Perl, Git has lots of flexibility, TMTOWTDI, and extensibility", points out the Perl 5 Wiki page on Git. I've been looking at Git in somewhat detail recently. I even wrote Git::PurePerl to understand Git's repository format in slightly more depth. I think Git is a very flexible way to develop and I particularly like github as a way to socially share repositories (and forks). See the Git::PurePerl repository for example.
Why should you look at Git now? Well, I also have a secret...