Mycelium is described as '(formerly Disclone) is a feature-rich, open source communication app and personal-collaborative hub (drive/notes...)' and is a instant messenger in the social & communications category. There are more than 50 alternatives to Mycelium, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and Android apps. The best Mycelium alternative is Signal, which is both free and Open Source. Other great sites and apps similar to Mycelium are Telegram, Element, Discord and Matrix.
Decentralized chat platform built on the nostr protocol with support for multi-group communities, event calendars, threads, private messaging, web of trust, customizable access controls, monetization via zaps, full privacy, and white-label options for branding.
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://d4.alternativeto.net/od-oQxPBmbGgMb1DDF56LetNIIFfN-sw15fMkRUB3mU/rs:fill:309:197:1/g:no:0:0/YWJzOi8vZGlzdC9zL25lcmltaXR5Xzk5MzIyMl9mdWxsLnBuZw.png)
![Messages View [PC - 2025]](https://d4.alternativeto.net/onkc5zjoyV0rmmltjDuVgkJz6n_BWgqQPeuSyoFbHAs/rs:fill:309:197:1/g:no:0:0/YWJzOi8vZGlzdC9zL25lcmltaXR5XzI4MTQxOF9mdWxsLnBuZw.png)
![Server Discovery [PC - 2025]](https://d4.alternativeto.net/DoId0spu4HU_371pFn-leEiedu6M4bu453CRrSZAD4s/rs:fill:309:197:1/g:no:0:0/YWJzOi8vZGlzdC9zL25lcmltaXR5XzI4MjUwOF9mdWxsLnBuZw.png)
![Server Settings [PC - 2025]](https://d4.alternativeto.net/K6RpZpz2k_EvPbvMB3X-9Tq3JQEARLiCsjqmrr2hps0/rs:fill:309:197:1/g:no:0:0/YWJzOi8vZGlzdC9zL25lcmltaXR5XzYyODAyOF9mdWxsLnBuZw.png)
Open source chat platform offering end-to-end encrypted messaging, uncensored communication, markdown support, file sharing, self-hosting, multi-device sync, server management, voice or video calls, no data tracking, transparent codebase, and community-driven development.
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.
Offers real-time chat with friends, supports group messaging, organizes contacts by favorites and categories, enables media sharing with GIFs and videos, provides customizable notifications, allows invite links, and is accessible on desktop or mobile for gaming sessions.
Open source encrypted group-chat platform focused on privacy and efficiency, featuring Rust-based backend for speed, customizable interface, minimal data collection, real-time messaging, community-driven improvements, and ergonomic design for various use cases.
Clubhouse is a space for casual, drop-in audio conversations—with friends and other interesting people around the world.
Garena is a free downloadable software provided by Ocean Global Holding. Garena, short for Global Arena, is a multifunction platform that allows gamers to chat, challenge opponents, and play their favorite games online with millions of gamers world-wide.
Secure self-hosted platform unites private and group messaging, voice and video meetings, meeting recording, file transfer, issue tracking, screen sharing, remote control, and flexible permissions for on-premises collaboration in both corporate and personal use cases.
Ventrilo is a real-time voice chat software for group communications with surround sound support.
Twake Chat is a secure, open source messaging platform designed for enterprises. It offers seamless integration of chat, video conferencing, file sharing, and email, and more.
AirSend is a simple collaboration space for professionals and small teams that brings all your conversations, files, notes, and to-do lists into one place so that you can get work done faster and easier.
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