Signal Messenger
The standard for private messaging with zero-knowledge encryption.
Alternatives to Signal Messenger
Other Privacy Messaging tools in the archive.
BitChat
Secure and private messaging platform for encrypted communications.
Briar Project
P2P messaging designed for activists, working over Tor or local networks.
Facebook Messenger
Meta's chat app for Facebook messaging with voice, video, and cross-platform support.
Google Messages
SMS and RCS messaging app for Android with end-to-end encryption support.
iMessage
Apple's messaging service for iPhone, iPad, Mac, and Apple Watch with end-to-end encryption.
Slack
Team messaging and collaboration platform with channels, apps, and enterprise workflows.
Telegram
Cloud-based messenger for fast, encrypted chats and large group communities.
Threema
Swiss messaging app offering total anonymity with no personal info required.
Global messenger using end-to-end encryption for private conversations.
Wire Messenger
Secure messaging and collaboration platform offering end-to-end encrypted chat and calls.