Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!
vym - VYM (View Your Mind) is a tool to generate and manipulate maps which show your thoughts.
Collaborator - Система дистанційного навчання повного циклу із аналітикою в реальному часі та інструментами внутрішнього маркетингу.
Linked Ideas - A macOS/iOS apps to treat ideas as links of concepts.
Lessonly - Getting teams up-to-speed and keeping them there.
Freeplane - Freeplane is a powerful and free software for building mind maps.