I find it surprising there are no free solutions for large binary files other than perforce. There's in fact lots of tooling in Mercurial to handle this pr

I find it surprising there are no free solutions for large binary files other than perforce. There's in fact lots of tooling in Mercurial to handle this precise problem, as well as gigantic repos. Mercurial's extensibility with these scaling problems, in fact, is why Facebook has chosen it. If you're not married to git, try checking out Facebook's Mercurial extensions.