1
Also covers messaging and open source
The Altus desktop client packages WhatsApp Web with themes and notifications, providing a desktop interface for messaging.
Alternatives
The Best Fluux Alternatives in 2026
24 alternatives5 free · 6 open source
Looking for something like Fluux? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 5 are free or have a free plan and 6 are open source.
Fluux Messenger is a cross-platform XMPP client for communities and organizations.
Top picks at a glance
First suggestionAltusThe Altus desktop client packages WhatsApp Web with themes…Free or freemium optionSimpleXSimpleX Chat is an encrypted messenger without user IDs…Another optionmatterbridgeMatterbridge connects chat platforms including IRC, Slack…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Altus | — | Yes | Windows, macOS, Linux |
| 2 | matterbridge | — | Yes | — |
| 3 | Zulip | — | Yes | — |
| 4 | WhatsApp-Chat-Exporter | — | Yes | Android, iOS |
| 5 | Ferdium App | — | Yes | — |
| 6 | XMPP Clients / Resources | — | Not stated | Android, iOS, Linux |
| 7 | Profanity | — | Not stated | Android, Linux, Web |
| 8 | Profanity | — | Not stated | — |
| 9 | Awesome Fluxer | — | Not stated | — |
| 10 | SimpleX | Free | Not stated | Android, iOS, Web |
All Fluux alternatives
2
Also covers messaging and open source · same kind of open-source project
Matterbridge connects chat platforms including IRC, Slack, Discord, Telegram, Matrix, and Mattermost through message bridges.
3
Also covers messaging and open source · same kind of open-source project
Zulip provides an open-source team chat server and web application for team collaboration and focused discussions.
4
Also covers messaging and open source · same kind of open-source project
WhatsApp Chat Exporter parses chat databases from Android or iOS backups and exports readable HTML or structured JSON.
5
Also covers messaging and open source · same kind of open-source project
Ferdium brings multiple messaging and productivity services together in one desktop application.
6
XMPP Clients / Resources
xmpp.org/getting-startedAlso covers messaging
This guide helps newcomers start chatting with XMPP by explaining how to choose and use compatible clients.
7
Profanity
profanity-im.github.ioAlso covers messaging
Profanity provides text-based access to XMPP services as a console chat client written in C.
8
Profanity
github.com/profanity-im/profanityAlso covers messaging · same kind of open-source project
Profanity lets users connect to XMPP messaging services from a terminal interface.
9
Awesome Fluxer
github.com/awesome-fluxer/awesome-fluxerAlso covers messaging · same kind of open-source project
A community-maintained list collects Fluxer libraries, utilities, clients, bots, and other projects.
10
Also covers messaging · free
SimpleX Chat is an encrypted messenger without user IDs, where people can connect through a link or QR code to message and call.
11
Wts
wts.knugi.devAlso covers messaging
Wts exports WhatsApp conversations from Android and iOS, with cross-platform support for both mobile systems.
12
Awesome Stoat
github.com/stoatchat/awesome-stoatAlso covers messaging · same kind of open-source project
This community list gathers libraries, bots, clients, and tools for the Stoat chat app.
13
Servers
fluxerservers.comAlso covers messaging
This directory helps users discover Fluxer servers and bots, presenting communities and automated accounts in one place.
14
Also covers messaging · free
Fluxer provides free and open source messaging for friends, groups, and communities through a chat app.
15
xabber
xabber.comAlso covers messaging
Xabber provides open source XMPP chat on Android and the web, including account registration and messaging features.
16
Also covers messaging
WeeChat is a fast, light and extensible chat client with a text-based user interface.
17
Also covers messaging · free
TeaSpeak provides VoIP communication through web and native clients, with project pages for downloads and community support.
18
CoyIM
coy.imAlso covers messaging
CoyIM provides a security-focused chat client, and its project page cautions that the software has not yet been audited.
19
Mattermost
github.com/mattermost/mattermostAlso covers messaging · same kind of open-source project
Mattermost provides self-hosted collaboration with chat, workflow automation, voice calls, screen sharing, and AI integration.
20
Mumble
github.com/mumble-voip/mumbleAlso covers messaging · same kind of open-source project
Mumble provides open-source software for real-time voice chat with low latency.
21
Also covers messaging · free plan
Proton Meet provides video calls with privacy protections from the creators of Proton Mail, supporting online meetings.
22
Prose
prose.orgAlso covers messaging
Prose offers an open source alternative to Slack and Teams, with plans and information for large nonprofits and education groups.
23
Also covers messaging · free
Mumble provides free open source, low-latency voice communication for online groups and gaming sessions.
24
Twist
twist.comAlso covers messaging
Twist organizes team collaboration through asynchronous written conversations in a messaging app.
No alternatives match this filter.
Alternatives to similar tools
Proton Meet24 alternativesAltus24 alternativesmatterbridge24 alternativesAwesome Fluxer24 alternativesProse24 alternativesAwesome Stoat24 alternatives
What is the best alternative to Fluux?
Based on features, tags and platforms, the closest alternatives to Fluux are Altus, matterbridge, and Zulip.
Is there a free alternative to Fluux?
Yes. SimpleX, Fluxer, and TeaSpeak are free or offer a free plan.
Are there open-source alternatives to Fluux?
Yes: Altus, matterbridge, Zulip, and WhatsApp-Chat-Exporter.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative