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fluxerapp/fluxer

A free, open source instant messaging and VoIP chat app for friends, groups and communities, with desktop, mobile and browser clients.

Open-source alternative to:Discord

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Last commit
9 hours ago

What is it?

Fluxer is an instant messaging and VoIP chat app aimed at friends, groups and communities. It is distributed as desktop installers for Windows, macOS and Linux, as beta Android and iOS builds, and as a web client that runs in a browser without installation.

On Linux, Fluxer is available through Flathub, its own apt, dnf and pacman repositories, and as AppImage, deb, rpm and tar.gz packages for x64 and ARM64. The project is licensed under AGPL-3.0-or-later, and its documentation covers self-hosting an instance from the repository.

Bug reports and feature requests are handled on a separate feedback site rather than GitHub Issues, which are closed.

Key features

  • 01Instant messaging and voice chat for friends, groups and communities.
  • 02Desktop clients for Windows, macOS and Linux, with x64 and ARM64 builds.
  • 03Beta mobile apps for Android and iOS.
  • 04Browser-based web client that needs no install.
  • 05Linux packages via Flathub, apt, dnf, pacman and Flatpak repositories, with stable and canary channels.
  • 06Self-hosting support from the source repository.

Use cases

  • Running a private chat space for a friend group or small community.
  • Hosting your own messaging server instead of relying on a hosted chat service.
  • Trying out a self-hosted, open source alternative to commercial chat apps on desktop or mobile.

Quick start

  1. 1

    Install the stable Linux app from Flathub

    flatpak install flathub app.fluxer.Fluxer
  2. 2

    Or open Fluxer in a browser, with no install needed

Things to know

  • Licensed under AGPL-3.0, a copyleft license that requires sharing modified source when you run it as a service.
  • Android and iOS clients are in beta, distributed through Google Play beta, APK, or TestFlight.

Topics

#instant-messaging#voip#chat#self-hosted#typescript#desktop-app#privacy#fluxer#fluxerapp

FAQ

What is fluxer?
A free, open source instant messaging and VoIP chat app for friends, groups and communities, with desktop, mobile and browser clients. Fluxer is an instant messaging and VoIP chat app aimed at friends, groups and communities. It is distributed as desktop installers for Windows, macOS and Linux, as beta Android and iOS builds, and as a web client that runs in a browser without installation.
Is fluxer free to use? What license does it have?
fluxer is open source under the AGPL-3.0 license. Check the license terms before using it in commercial products.
Is fluxer still maintained?
Actively maintained. The last commit to fluxer was on Oct 20, 2026.
What can I use fluxer for?
Running a private chat space for a friend group or small community. Hosting your own messaging server instead of relying on a hosted chat service. Trying out a self-hosted, open source alternative to commercial chat apps on desktop or mobile.
How do I install fluxer?
Install the stable Linux app from Flathub: flatpak install flathub app.fluxer.Fluxer Or open Fluxer in a browser, with no install needed
Where can I get fluxer?
The source code and installation instructions are on GitHub: https://github.com/fluxerapp/fluxer

Summary generated by AI from the project's README. GitHub stats refresh daily.

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