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.

DiscussBot - Telegram's web comment widget

GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab

gUmi - Manage infinite Git profiles in one click

BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.

CodeSoap - Automated Github standards for teams