BigTube - Makes watching programming tutorials more fun
Zoho Meeting - Free video conferencing, online meeting, desktop sharing solution from Zoho.
Amazon Chime - Online meetings and video conferencing
Airtime - Hang out with group video, share music & videos
CodeUpStart - Web App, Education, and Software Engineering
Voxox CloudPhone - Get a local or toll-free business number that automatically answers, routes and transfers calls, plus other professional business phone services.