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Session Desktop - Onion routing based messenger [DEPRECATED SEE README]
Android keyboard for secure E2EE communication through the signal protocol in any messenger. Communicate securely and independent, regardless of the legal situation or whether messengers use E2EE
🧩 Lightweight, high-performance TypeScript library for the WhatsApp Web protocol, built for multi-session scale, low memory usage, zero-copy hot paths, and full control over auth, transport, Signal, app state, and media.
Signal protocol implementation for Node.js
A Swift implementation of the Signal Protocol
Encrypt right inside any messenger: the keyboard encrypts, the screen decrypts, no jumping between apps. iOS and Android, Signal Protocol, fully offline.
Hyperlocal is a free, open source, Bluetooth messaging app, built to ensure the privacy and safety of communication between those without internet access.
A Rust interface to the Signal Protocol. DEPRECATED in favour of https://github.com/signalapp/libsignal-client ! Signal reimplemented the whole thing in Rust.
Real-time Secure Chat Application with End-to-end Encryption
a brief guide on building a secure instant messaging app for Android
A Whatsapp client implementation in Elixir
A modern, privacy-respecting IRC client for Android
Short Message Secure (SMSecure) is a privacy-focused SMS application that lets you communicate securely with your contacts using encrypted text messages.
WhatsApp in pure Rust. Single binary, 5 MB, 15 MB RAM. 54 API endpoints, 30 MCP tools, full protocol.
An end to end encrypted Messenger that uses the signal protocol over the I2P network
Reticulum <-> Signal Gateway, Bidirectional bridge between Reticulum (LXMF) and Signal supports images/files and voice memos.
Signal Protocol compiled to WebAssembly for browser-based E2EE messaging
Offline-first disaster communication platform. End-to-end encrypted messaging, voice and video calls, and rescue coordination — over Bluetooth with zero infrastructure, and over the internet when a network is reachable. Available on Google Play and App Store.
E2EE Signal protocol X3DH and Double Ratchet implementation
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