Briar is described as 'An open-source decentralized and encrypted messaging app even without internet connection via Wi-Fi and Bluetooth. Messages are stored securely on your device, not in the cloud. Connect directly with nearby contacts - no Internet access is required' and is a very popular instant messenger in the social & communications category. There are more than 50 alternatives to Briar for a variety of platforms, including Android, Linux, iPhone, Windows and Mac apps. The best Briar alternative is Signal, which is both free and Open Source. Other great apps like Briar are Telegram, Element, SimpleX Chat and bitchat.
MeshCore is a lightweight, portable C++ library that enables multi-hop packet routing for embedded projects using LoRa and other packet radios. It is designed for developers who want to create resilient, decentralized communication networks that work without the internet.
Hype is a chat service built into the Opera Mini browser, so you can chat, share, and browse in one app. And when you find something online worth sharing, Hype makes it easy to do so with WebSnap.
With Talkie (ex. Wi-Fi Talkie) you can organize communication between devices at distances of Wi-Fi signal without using an Internet connection or a cellular network.
Selene is a comprehensive peer-to-peer chat and file sharing application built on the Tor network. It enables secure, private communication and seamless file transfers between users, leveraging the anonymity and resilience of Tor.
Port is a free, open source, privacy-first messaging app designed for the hyper-connected world. Connect safely without sharing phone numbers, emails, or usernames. With Port, yoOR USERNAMEu can chat, call, share, and stay in touch on your own terms.
all-in-one Communication and Collaboration Platform. The NYNJA platform combines the benefits of instant chat, video conferencing, screen sharing, file sharing, asset management collaboration, and much more, in one fast, easy and reliable platform.
HookZApp is a cloud native, secure, fast, and feature-rich Next-Gen communication, collaboration & social media platform that makes everyday life, fun and easy.
xat is a fun social networking site with the coolest online chat box. Make friends, join a group or run your own chat. Over 2500 unique smilies to combine and use. Embed to your blog or page for free (no need to download). Also available on mobile.
Retro AIM Server is an instant messaging server that revives AOL Instant Messenger (and ICQ!) clients from the 2000s.
Messenger for WhatsApp™ (WA Messenger) is a wrapper for WhatsApp Web. It loads WhatsApp Web in toolbar popup UI and has badge icon text notification for all new conversations (even if toolbar popup is closed).
World's most secure P2P messenger. End-to-end encrypted, zero-server architecture, quantum-resistant roadmap. WebRTC direct connections, advanced ECDH + DTLS + SAS verification, full ASN.1 validation.
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