django-git - A simple Gitweb replacement built with Django.
GitList - GitList allows you to browse repositories using your favorite browser, viewing files under...
Gitolite - Setup git hosting on a central server, with fine-grained access control
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Gitea - A painless self-hosted Git service
pGina Fork - pGina is a replacement for the default Windows Credential Provider.