Mycelium (formerly Disclone) is a feature-rich, open source communication app and personal-collaborative hub (drive/notes...).

Flotilla is described as 'Decentralized group chat with multi-community support, event calendars, threads, classifieds, private messaging, white-labeling, monetization features, and full privacy' and is a Group Chat app in the social & communications category. There are more than 25 alternatives to Flotilla for a variety of platforms, including Web-based, Windows, Android, Mac and Linux apps. The best Flotilla alternative is Telegram, which is free. Other great apps like Flotilla are Element, Discord, Matrix and Stoat Chat.
Mycelium (formerly Disclone) is a feature-rich, open source communication app and personal-collaborative hub (drive/notes...).

SadnessChat SadnessChat is a free, real-time chat platform built for real conversations. Whether you're hanging out with friends or building a community, SadLounge has everything you need.



FluxCap is an independent desktop client designed to connect seamlessly with the Fluxer network. Built with Electron, it provides a dedicated, fast, and customizable user interface for Windows, taking Fluxer out of your browser and directly onto your desktop.



Colibri is an open source chat platform built on the AT protocol for communities big and small. It gives you the ability to create communities, manage members, and communicate through text, voice, and forum channels, all while maintaining true ownership of your data.




Kontxt is an inline communication and engagement tool that adds live collaboration and interactivity to digital content. Enterprise productivity. Remote education. Site owner revenue. Personal social news aggregation, rating, sharing, and discussion.




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.




Common Ground is a browser-based, open-source social platform for communities, built as a robust alternative to Discord.



Communication without limits. The modern chat platform with servers, channels, direct messages and passwordless magic login.


Qaxa is an end-to-end encrypted workspace for teams. Chat in real time, assign tasks, write notes, and share files — all encrypted on your device. Your encryption keys stay with you, so Qaxa can’t read your content. No trackers. No logs. No AI training.



GitChat is a free, open-source IDE extension that brings real-time developer chat, GitHub-based social networking, and repo community channels into VS Code, Cursor, and compatible editors - without leaving your coding environment.




Redesigned team chat with built-in Deep Work Mode, notification batching, focus status, and transparent public-first channels. Includes AI thread summaries for fast catch-up, thread inbox, real-time messaging with threads, and mobile apps. Setup in minutes.




Shape helps busy teams reach consensus and ship faster with focused spaces designed for discussion and delivery.



