Daily.co for Intercom - Free video calls & screen shares embedded in Intercom
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.
Pluot Communications - Big-screen video conferencing for startups
Google Duo - Google's answer to Facetime, high-quality video calling on iOS and Android.
Confrere - Professional video calling. No downloads. Just a link.
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.