The best Instant Messenger alternative to Zoom is Jitsi Meet, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Zoom and many of them are Instant Messengers so hopefully you can find a suitable replacement. Other interesting Instant Messenger alternatives to Zoom are Jitsi Desktop, Jami, Element X and Echoed.
Open-source video conferencing platform with encryption by default, up to 75 participants, live group chat, HD audio, screen and document sharing, Etherpad editing, mobile and browser support, custom deployment options, privacy-first features, and community-driven development.
Jitsi Desktop (previously SIP Communicator) is a legacy audio/video and chat communicator with full encryption, precedessor of Jitsi Meet .
Open source decentralized communication platform supporting secure end-to-end encrypted calls, messaging, group conferencing, file and media sharing, SIP compatibility, multi-device sync, and strong privacy, available across desktop and mobile systems.
It is the brand new, and fastest ever, Matrix client. It is for personal and community use, and will support enterprise functionality later this year.
Lightweight communication platform with unlimited channels, seamless voice and video, screen sharing, private file sharing, advanced task and calendar tools, robust privacy features, emoji and thread support, and multi-platform efficiency for gaming or team communities.
Self-hosted communication platform with secure audio, video, chat, web conferencing, screensharing, advanced encryption, and metadata privacy, running on user-controlled servers, supporting web and mobile apps, and eliminating third-party data exposure.
Powered by WebRTC, Real-time video call, chat room and screen sharing entirely browser based.
Integrated cloud solution for business communication offering calls, video, messages, and fax. Provides scalable solutions, real-time chat, HD video conferencing, and robust security, serving 400,000+ customers in over 100 countries with renowned uptime and AI-powered interactions.
Chat with anyone on X in a private, focused space built for conversation. No ads. No tracking. Fully end-to-end encrypted.
A Collaboration workspace that acts as a virtual office for remote workers and distributed teams. Provides features like chat, voice channels, screen sharing, meeting rooms & task management and more.
0xchat is a secure chat app built on the Nostr protocol. It prioritizes security, featuring private key login, encrypted private chats and contacts, encrypted group chats.
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free and open-source, encrypted, fully-deployable without any registration