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.
Number To Whatsapp - A utility tool which lets your start a Whatsapp conversation without saving the contact of the said person first.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
BetterChat for WhatsApp - Gorgeous new full-featured WhatsApp client for the Mac.
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.
Slack - A messaging app for teams who see through the Earth!