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.

Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!

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

Collaborator - Система дистанційного навчання повного циклу із аналітикою в реальному часі та інструментами внутрішнього маркетингу.

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

Lessonly - Getting teams up-to-speed and keeping them there.