P2P decentralized serverless encrypted messaging application.
Offline-ChatApp: An open-source, P2P mesh messaging app for Android. Secure, serverless, and private communication using Bluetooth & WiFi Direct.
Beautiful mesh messaging for MeshCore LoRa radios. Off-grid. Encrypted. No internet required.
📡 离线近场安全通信：无基站无网络，蓝牙 Mesh 组网 + Wi-Fi Direct 双链路，端到端加密（ECDH P-256 + AES-256-GCM），一键紧急抹除 / Offline near-field secure messaging over BLE mesh + Wi-Fi Direct, E2EE, emergency wipe.
Android-only React Native module for peer-to-peer communication using Wi-Fi Direct. Ideal for offline messaging and file sharing.
Flutter BLE peer-to-peer messaging demo. Offline chat between smartphones using Bluetooth Low Energy. Chunked transfer, message framing protocol, Huawei compatibility workaround.
A decentralized, off-grid messaging concept using Bluetooth LE advertising to broadcast messages without pairing or internet.
A privacy-focused, client-side encrypted messaging application that enables secure message exchange via AES-256 encryption embedded directly in URL hashes. No server required, no data collected—just pure end-to-end encryption in your browser.
Caraka Super App - Decentralized offline communication network and utilities for resilient connectivity.
Local delay-tolerant network system of phones that can be plugged into the internet — like a fallback internet. (PoC)
End-to-end encrypted messenger without phone number, e-mail or username — your address is your public key. Signal protocol, Bluetooth offline mode, Tor. Android, Windows, Linux, Web. AGPL-3.0
A Bluetooth Classic-based, fully offline peer-to-peer chat application. It aims to facilitate short-range, device-to-device communication, particularly in disaster scenarios like earthquakes, where the internet and local networks are unavailable.
Secure, decentralized, and internet-free P2P messaging using Google Nearby Connections. Communication without limits. No sim. No Internet. Just Connection
Offline messenger for chats, groups and more. This app uses internet only to check updates. You can use this messenger when you don't have internet access (mobile data or Wi-Fi)
Engineering Resilient Decentralized Communication for Humanitarian Crisis Response
Offline physical message delivery game using Raspberry Pi and Wi-Fi
Offline-First Peer-to-Peer Mesh Communication Platform
Offline long-range communication system using ESP32 and LoRa for emergency situations.
Offline Bluetooth P2P mesh messenger with channels and end‑to‑end encryption using Flutter
Encrypted Chat App: Supports offline messaging, persistent history, and thread replies. Uses dynamic encryption with unique keys per user session.
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