Not sure it's a front-end (looks like it's a Perforce front-end to Git), but I believe it's an interface that makes the two work together: http://www.perforce.com/git-fusion
4 karma · joined October 11, 2012
Webinar's next week, and I may sign up to see what this is all about. (Disclaimer: Certified Perforce Admin here, and no, I don't work for Perforce.)