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.

GitHub Repository Size - Browser extension to show file and repo size in GitHub

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

Charte - Free online interactive charts for non-techies

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

Charts Factory - Create simple charts super fast and for free!