Gitea - A painless self-hosted Git service
NotABug.org - Free open-source code hosting.
Gitstack - GitStack is a free software that let you setup your own private Git server on Windows.
GitHub - Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Gitote - Software version control made simple.