Gitea - A painless self-hosted Git service
GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Code-Review - The aim of CodeReview is to provide tools for code review tasks on local Git repositories.
django-git - A simple Gitweb replacement built with Django.
cgit - A hyperfast web frontend for git repositories written in C.