eyeson - Video meeting from your browser with an extra level of security.
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.
Videxio - Video meeting & video collaboration services
Quickie - 3-60 second video calls with your friends
LifeSize - LifeSize offers video conferencing solution that enable human interaction over any distance.
Messenger Video Calls - Facebook Messenger, now with HD video calls