







Secure messaging, anywhere

Wave - Secure Messaging App
Privacy-first messaging with quantum-level encryption. No signup, fully decentralized, zero tracking.
Introducing AT-SMS - blog.boscolo.co
Open End-to-End Encrypted Messaging on AT Protocol
Introducing AT-SMS - blog.boscolo.co
Open End-to-End Encrypted Messaging on AT Protocol
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.


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

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

Dash Chat
Secure messaging that keeps working when the internet doesn't. Dash Chat is an offline-first, end-to-end encrypted messenger for communities that need to stay connected.
Signal Messenger: Speak Freely
Say "hello" to a different messaging experience. An unexpected focus on privacy, combined with all of the features you expect.

Delta Chat: Delta Chat, decentralized secure messenger
Delta Chat is a decentralized and secure messenger app 💬 Reliable instant messaging with multi-profile and multi-device support ⚡️ Sign up to secure fast chatmail servers or use classic e-mail serv...

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

Better Encrypted Group Chat
Broadly, an end-to-end encrypted messaging protocol is one that ensures that only the participants in a conversation, and no intermediate servers, routers, or relay systems, can read and write messages. An end-to-end encrypted group messaging protocol is one that ensures this for all participants in a conversation of three or more people. End-to-end encrypted group […]

Delta Chat: Delta Chat, decentralized secure messenger
Delta Chat is a decentralized and secure messenger app 💬 Reliable instant messaging with multi-profile and multi-device support ⚡️ Sign up to secure and interoperable chatmail relays 🥳 Interactive ...

Investigation into Message Layer Security (MLS)
This article investigates Message Layer Security (MLS), the IETF standard protocol (RFC 9420) for Signal-style end-to-end encryption. Through a practical analysis of OpenMLS (the Rust reference implementation) and a demonstration CLI chat application (mls-chat), the post reveals the substantial gap between protocol specification and production deployment. Introduction MLS (Message Layer …

ATSMS — end-to-end encrypted group messaging
Encrypted group messaging on AT Protocol identities, with no server ordering anything.