Google Meet - Enterprise-friendly version of Google Hangouts
Houseparty - Brining empathy to online communication.
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.
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
Messenger Video Calls - Facebook Messenger, now with HD video calls
Rume - Video chat that doesn't feel like work