What are some alternatives?
When comparing GVfs and Mercurial SCM, you can also consider the following products
Working Copy - The powerful Git client for iOS
Atlassian Bitbucket Server - Atlassian Bitbucket Server is a scalable collaborative Git solution.
GitStats - A local GitHub-like contributions calendar
Perforce - Self-hosted Version Control Software
pre-commit - A slightly improved pre-commit hook for git
Visual Studio Team Services - Visual Studio Team Services (VSTS) provides unlimited Git hosting, cloud build for CI, agile planning and continuous delivery.