Google Voice - Google Voice gives you one number for all your phones, voicemail organized in an email format, free...
Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!
TextMe - TextMe is a free calls and messaging application at both local and international levels.
Collaborator - Система дистанційного навчання повного циклу із аналітикою в реальному часі та інструментами внутрішнього маркетингу.
Talkatone - Android App on. Google Play. Stop paying for cell minutes, texts & landlines; Turn your iPad or iPod touch into a phone; Call/Text even in areas with bad cell coverage; Call/Text when travelling without paying for expensive international minutes.
Lessonly - Getting teams up-to-speed and keeping them there.