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.
Messenger Group Video Chats - Makes it simple and seamless to stay connected face-to-face
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Talkin - Live Twitter townhalls
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.
Confrere - Professional video calling. No downloads. Just a link.