Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!
Mailbird - Mailbird is the best email client for Windows 7, 8 and 10
Collaborator - Система дистанційного навчання повного циклу із аналітикою в реальному часі та інструментами внутрішнього маркетингу.
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Lessonly - Getting teams up-to-speed and keeping them there.