GitHub Desktop - GitHub Desktop is a seamless way to contribute to projects on GitHub and GitHub Enterprise.
Gitea - A painless self-hosted Git service
Git - Git is a free and open source version control system designed to handle everything from small to very large projects with speed and efficiency. It is easy to learn and lightweight with lighting fast performance that outclasses competitors.
Gitstack - GitStack is a free software that let you setup your own private Git server on Windows.
Mercurial SCM - Mercurial is a free, distributed source control management tool.
Bonobo Git Server - Set up your own self hosted git server on IIS for Windows.