WhatsApp

Secure and private messaging platform for encrypted communications.

P2P messaging designed for activists, working over Tor or local networks.

Meta's chat app for Facebook messaging with voice, video, and cross-platform support.

SMS and RCS messaging app for Android with end-to-end encryption support.

Apple's messaging service for iPhone, iPad, Mac, and Apple Watch with end-to-end encryption.

The standard for private messaging with zero-knowledge encryption.

Team messaging and collaboration platform with channels, apps, and enterprise workflows.

Cloud-based messenger for fast, encrypted chats and large group communities.

Swiss messaging app offering total anonymity with no personal info required.

Secure messaging and collaboration platform offering end-to-end encrypted chat and calls.