What are some alternatives?
When comparing GVfs and Visual Studio Team Services, you can also consider the following products
pre-commit - A slightly improved pre-commit hook for git
Helix ALM - Helix ALM is the single, integrated application that lets you centralize and manage requirements, test cases, issues, and other development artifacts and their relationships.
GitStats - A local GitHub-like contributions calendar
codeBeamer ALM - Integrated application lifecycle management (ALM) platform
Gitential - Analytics for Git Repositories
Atlassian Bitbucket Server - Atlassian Bitbucket Server is a scalable collaborative Git solution.