- Senders send messages stamped with Bitcoin ecash to Nostr relays. The Nostr relays collect the Bitcoin ecash, then deliver messages to receivers.



Infomaniak kMeet is described as 'Privacy-focused video meetings with unlimited participants, secure AES-256 encryption, no data sale or registration, hosted in Switzerland and powered by renewable energy' and is a Video Calling app in the remote work & education category. There are more than 50 alternatives to Infomaniak kMeet for a variety of platforms, including Web-based, Android, Mac, Windows and iPhone apps. The best Infomaniak kMeet alternative is Signal, which is both free and Open Source. Other great apps like Infomaniak kMeet are Telegram, Element, Jitsi Meet and WhatsApp.



Prose is a distributed, open-source, and native platform for workplace communication.



Facilitates community collaboration through voice, video, and text chat, integrated docs and tasks, configurable channels, roles, and permissions, seamless mobile and desktop access, rapid message reactions, file sharing, and notification controls for groups.




p2p.chat is a free video conferencing application using WebRTC for peer-to-peer communication. No login required. No tracking. Decentralized.

This project won the first prize 🥇 at Telegram Lightweight Client Contest and now is an official Telegram client available to anyone at web.telegram.org/a.

With V.Connct, enjoy captivating video meetings!
The free video conferencing app will facilitate your online video meetings, with special features tailored for every need, whether it’s for a business meeting or for educational purposes Our application is accessible from any devi.




VideoMeeting is a free and open source video conference solution built to have video calls and chats using your web browser. It is a pure web application based on WebRTC that can provide communication features within your web browser.

Graph Messenger is an UNOFFICIAL messaging app that uses Telegram's API and add new features like real multi account system, download manager and time line.




Start your next video call with a single click. No download, plug-in or login required. Just get straight to talking, messaging and sharing your screen.

A fork of Signal for Android with proprietary Google binary blobs removed. Uses OpenStreetMap for maps and a websocket server connection, instead of Google Maps and Firebase Cloud Messaging.
Smoke Messenger is an open-source Instant Messenger that is known as the first mobile Messenger worlwide using the encryption algorithm McEliece. To be downloaded at F-Droid.org or Github.com. Smoke provides with its own Server-Software: SmokeStack-Echo-Server.




Sylk Suite allows the creation and delivery of rich multimedia applications accessed by SIP Clients, XMPP endpoints and WebRTC applications.



