Fluxer

Free and open-source instant messaging and VoIP chat for communities

About Fluxer

Fluxer is a free and open-source instant messaging and VoIP chat app built for friends, groups and communities, positioned as an alternative to Discord. It offers servers, channels, direct messages and voice chat in a familiar interface, and can be self-hosted under the AGPL. Core chat is free, with an optional Plutonium premium plan adding perks for supporters. Based in Europe, Fluxer suits communities that want Discord-style communication without surrendering control of their data.

Fluxer website preview

Live preview of fluxer.app via the WordPress mShots service — it can take a few seconds to generate on a first visit.

Fluxer: strengths & things to check

Strengths

Free tier available — you can start without paying (freemium model).
Covers chat, voip, communities, discord alternative — see the focus areas listed in its key facts.
Has 6 close alternatives in the same category on this page, so switching or comparing is easy.

Things to check

The full feature set sits behind a paid plan — check which limits the free tier carries on the official site before committing.
Current plan prices are not listed here (they change too often to print reliably) — confirm the exact price on the official site.
It is one of 565 tools in the Communication & Collaboration category here — compare it against the alternatives below before you commit.

Derived from this listing's own data (pricing model, focus areas and category) — not a hands-on review score.

Fluxer pricing

Pricing model	Freemium — a free tier lets you start, and paid plans are available if you need more.
Free access	Yes — free tier, paid upgrades available
Current plan prices	Listed on the official site — prices change, so this directory links out instead of printing a number that may already be stale.
Official site	fluxer.app

Fluxer key facts

Category: Communication & Collaboration
Pricing: Freemium — a free tier lets you start, and paid plans are available if you need more.
Focus areas: chat, voip, communities, discord alternative
Official site: fluxer.app

Fluxer FAQ

How much does Fluxer cost?

Freemium — a free tier lets you start, and paid plans are available if you need more. Current plans and prices are listed on the official site (fluxer.app).

What is Fluxer used for?

Free and open-source instant messaging and VoIP chat for communities Its focus areas in the Communication & Collaboration category: chat, voip, communities, discord alternative.

Where can I try Fluxer?

On its official site, fluxer.app — the Visit Official Site button above goes straight there.

Fluxer vs alternatives

	Fluxer	Slack	3CX	AdiIRC
Pricing	Freemium — a free tier lets you start, and paid plans are available if you need more.	Freemium — a free tier lets you start, and paid plans are available if you need more.	Freemium — a free tier lets you start, and paid plans are available if you need more.	Free — listed in this directory as a free tool, with no paid plan required to use it.
Focus areas	chat, voip, communities, discord alternative	chat, team chat, collaboration	pbx, voip, business phone, video	irc, windows, portable, chat
Official site	fluxer.app	slack.com	3cx.com	adiirc.com
Directory status	Listed	Featured listing	Listed	Listed

Side-by-side from each listing's own directory data. Full alternative cards are below.

About the Communication & Collaboration category

Chat, video meetings, and messaging apps that keep teams connected. The Communication & Collaboration category on Tools Hub currently lists 565 tools. Alongside Fluxer, it includes Gotify, Live Helper Chat, ntfy, Screego.

FreemiumCommunication & Collaborationchatvoipcommunitiesdiscord-alternative

Alternatives to Fluxer

Tools in the same Communication & Collaboration category that share focus areas with Fluxer — worth comparing before you commit:

Communication & Collaboration

Slack

Team messaging where work happens.

Freemiumchatteam-chatcollaboration

Communication & Collaboration

3CX

Business phone system with video and live chat

Freemiumpbxvoipbusiness-phonevideo

Communication & Collaboration

AdiIRC

Free, portable IRC client for Windows

Freeircwindowsportablechat

Communication & Collaboration

Adium

Multi-protocol instant messaging for macOS

Freechatmacosclientmulti-protocol

Communication & Collaboration

Anveo

VoIP platform with visual call flow builder

Freemiumvoipivrsipcall-flow

Communication & Collaboration

Asterisk

Open-source IP PBX, VoIP gateway and conference server framework

Freevoippbxsiptelephony

More in Communication & Collaboration

Comparing tools in the Communication & Collaboration category? These related listings are worth a look: Gotify — A self-hosted push notification server with a simple REST API; Live Helper Chat — Open-source live support chat with bot, voice, video and screen sharing; ntfy — Send push notifications to your phone or desktop via HTTP PUT or POST.