I disagree wrt Github. A lot of projects I was involved in wound up switching from git to mercurial because it was too difficult to manage git master repos on a

I disagree wrt Github. A lot of projects I was involved in wound up switching from git to mercurial because it was too difficult to manage git master repos on a server compared to Mercurial. Github solved this neatly, and the issue system has allowed my last two companies to switch from Mercurial+FogBugz|Trac to Github. That's useful consolidation and lower admin overhead.