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

HelpScout - Help Scout is a simple, straightforward way to provide excellent support

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

Zendesk - Zendesk is a beautiful, lightweight help-desk solution.

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

Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community