Crugo - Crugo is a simple group collaboration platform for your team
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.
Ripcord - A desktop chat client for Discord and Slack
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Weavy - The complete white-label framework for in-app team messaging and collaboration.
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.