WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.

experts free

Brings voice and messaging to your web and mobile applications.

experts Open Source

Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.

experts Open Source

Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.

experts Open Source free

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.

experts freemium $15.99 / Monthly (Pro - Great for Small Teams)

Step up your game with a modern voice & text chat app. Crystal clear voice, multiple server and channel support, mobile apps, and more.

experts Open Source

Free chat and collaboration app for teams with unlimited users and message history.

bookmark freemium $2.49 / Monthly ("Group calls", "10GB per user", "Screen sharing",)