gitstorage - An on-premise device that combines the best of hosted options and on-premise solutions for source...
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.
cgit - A hyperfast web frontend for git repositories written in C.
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Kiln - Kiln is a complete source control management system based on Git and Mercurial.
NotABug.org - Free open-source code hosting.