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.
Blissy - Easily collect, combine and share group video gifts
Tauria - True end-2-end encrypted group calls for up to 50 people
Bunch - Bunch is a simple web dashboard that integrates with your teams' calendars.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Slides with Friends - Interactive presentations for group engagement and live audience responses.