







A private messenger powered by XMTP.
Keep your phone number private with Signal usernames
Signal’s mission and sole focus is private communication. For years, Signal has kept your messages private, your profile information (like your name and profile photo) private, your contacts private, and your groups private – among much else. Now we’re taking that one step further, by making your...

Signal Messenger: Speak Freely
Say "hello" to a different messaging experience. An unexpected focus on privacy, combined with all of the features you expect.

Quiet - Private messaging. No servers.
Quiet is available for all major platforms. (And eventually the web, too!)

XMPP - The universal messaging standard
XMPP is the Extensible Messaging and Presence Protocol, a set of open technologies for instant messaging, presence, multi-party chat, voice and video calls, collaboration, lightweight middleware, content syndication, and generalized routing of XML data.

White Noise - Secure Private Messenger
A truly secure and private messenger that's lightning fast, massively scalable, and identity-free.

Unlocking Quantum-Encrypted Group Chats for ATProto on XMTP
Developers building with ATProto (the protocol powering Bluesky) have been asking how they can use XMTP to power messaging between users in their apps. It’s possible today to add secure messaging to any Bluesky app, and to add Bluesky identity to any messenger built on XMTP. 0:00 /0:

vitalik.eth on Twitter / X
Encrypted messaging, like @signalapp, is critical for preserving our digital privacy. Two important next steps for the space are (i) permissionless account creation and (ii) metadata privacy.@session_app and @SimpleXChat are two messaging apps pushing these directions forward.…— vitalik.eth (@VitalikButerin) November 26, 2025


How to Use Signal Encrypted Messaging
The best end-to-end encrypted messaging app has a host of security features. Here are the ones you should care about.

Stream: Private Voice Ring — Notes, Chat, Dictation
Experience Stream — the private voice ring for everything on your mind. Pre-order today

Shared chat session by @pimtron.dev | Tiles
Shared public chat session on Tiles. Powered by ATProto.
Beeper — All your chats in one app
Get the most popular messaging services, all in a single app. WhatsApp, Signal, Instagram, Telegram, and more.
