nvira is described as 'Free, browser-based group chat with real-time text, voice, and video calls, topic-based channels, end-to-end encrypted direct messages, and no phone number required' and is a Video Calling app in the social & communications category. There are more than 50 alternatives to nvira, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and Android apps. The best nvira alternative is Signal, which is both free and Open Source. Other great sites and apps similar to nvira are Telegram, Element, Discord and Matrix.
Anonymous chat, voice, and video platform using end-to-end encrypted messaging powered by X3DH and XSalsa20-Poly1305, supporting secure user communities and group conversations, with no personal data needed for registration or operation.
Browser-based tool enabling instant, end-to-end encrypted screen sharing with a shareable link, requiring no downloads, installs, or accounts. Sessions use peer-to-peer WebRTC connections, store nothing on servers, and support multiple privacy-focused participants.
Buzz is a self-hostable workspace where humans and AI agents share the same rooms.
Enables real-time chat on Windows with group or private messaging, multi-server access, file transfers, encryption, proxy and IPv6 support, chat logging, notifications, dark mode, and a scripting language for custom automation or developing communication tools and games.
Decentralized social and blog platform based on XMPP, enabling self-hosting, cross-network chat, video calls, and group collaboration. Users control and migrate their data, communicate across various networks, and access services from any node while preserving privacy and open-source principles.
Open source group chat, voice, and video platform with self-hostable private servers, Discord compatibility, extensible plugin and theme system, end-to-end encryption, support for multiple instances, and community-driven development offering high flexibility.
Open-source, end-to-end encrypted chat supporting decentralized, serverless communities and Concord. Features self-hosting, cryptographic login, encrypted text channels, threads, live voice and video rooms, compatibility with Nostr and other protocols, custom emojis, and GIFs.
4chan is a simple image-based bulletin board where anyone can post comments and share images. There are boards dedicated to a variety of topics, from Japanese animation and culture to videogames, music, and photography.
The best Discord alternative. Mezon is a Live, Work, and Play platform. It’s perfect for gaming and chilling with friends, or even building a global community. Customize your own space to talk, play, and hang out.
Open-source chat platform providing community-focused group messaging, video calls, profile customization with animated avatars, custom emojis, tags, post creation, discovery of communities, and full source code access on GitHub. Entirely donation-funded.
![Profile Interface [PC - 2025]](https://img.alternativeto.net/s/618x394/avif/nerimity_993222_full.png)
![Messages View [PC - 2025]](https://img.alternativeto.net/s/618x394/avif/nerimity_281418_full.png)
![Server Discovery [PC - 2025]](https://img.alternativeto.net/s/618x394/avif/nerimity_282508_full.png)
![Server Settings [PC - 2025]](https://img.alternativeto.net/s/618x394/avif/nerimity_628028_full.png)
Free, open source group chat solution supporting channels, file uploads, voice and video calls with screen sharing, granular roles and permissions, strong encryption, no tracking, plugin extensibility, GraphQL and NATS APIs, and private, secure deployment.
Free, privacy-focused chat platform for gaming communities offering servers, channels, roles, low-latency voice, video, screen sharing, 5GB uploads, message translation, end-to-end encrypted DMs and calls, forum features, calendar events, and no paid tiers.
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