Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
Nertivia - Chat Client - Chat with friends or anyone around the world, free gif and emoji support.
Whereby (formerly appear.in) - Collaborate from anywhere - video meetings with no downloads
Google Voice - Google Voice gives you one number for all your phones, voicemail organized in an email format, free...
WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
TheONE - Call the ONE expert you need, via a live video connection and pay per minute. Find or show your expertise. Join the new world-wide expert community of The ONE.