FluffyChat vs Metronome IM

A side-by-side comparison of two self-hosted matrix & xmpp options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureFluffyChatMetronome IM
Deploy effortRead-the-docs projectUnder-an-hour setup
Health score87 · Excellent42 · Fair
CategoryMatrix & XMPPMatrix & XMPP
LicenseAGPL-3.0MIT
LanguageDartLua
Setup difficultyEasyMedium
Min. RAM64 MB128 MB
Deploymentbare-metal, sourcedocker, bare-metal, source
GitHub stars★ 3,143★ 175
First released20192012
ReplacesWhatsApp, TelegramSlack, WhatsApp

What are FluffyChat and Metronome IM?

FluffyChat

FluffyChat is a friendly, easy-to-use Matrix client built with Flutter, available on mobile, desktop, and web. It emphasizes simplicity while supporting Matrix end-to-end encryption.

  • Built with Flutter for all platforms
  • End-to-end encryption
  • Friendly, approachable design
  • Web build can be self-hosted

Metronome IM

Metronome IM is a fork of Prosody that focuses on additional features and out-of-the-box configuration for XMPP communication. It supports modern messaging extensions and microblogging.

  • Prosody-based XMPP server
  • Built-in PEP microblogging
  • Modern XEP support
  • Lightweight Lua implementation

FluffyChat vs Metronome IM: key differences

FluffyChat is written in Dart, while Metronome IM is built with Lua. Licensing differs — AGPL-3.0 for FluffyChat versus MIT for Metronome IM. FluffyChat is the lighter option, starting around 64 MB of RAM against 128 MB for Metronome IM. Metronome IM is the more established project (first released 2012), while FluffyChat arrived in 2019. FluffyChat has the considerably larger community, at 3,143 GitHub stars versus 175. Metronome IM lists first-class Docker deployment; FluffyChat does not.

Why pick each one

Choose FluffyChat if…

  • Released under the AGPL-3.0 license
  • Easy to set up — beginner-friendly
  • Active community (3.1k GitHub stars)
  • Written in Dart

Watch out for

  • Matrix-only
  • Fewer power-user features
FluffyChat details

Choose Metronome IM if…

  • Released under the MIT license
  • First-class Docker support for quick deployment
  • Written in Lua
  • Tiny footprint — runs in 128 MB RAM

Watch out for

  • Smaller community than Prosody
  • Niche project
Metronome IM details

Frequently asked questions

Is FluffyChat or Metronome IM better?

FluffyChat is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Metronome IM if its specific feature set fits your needs better.

Are FluffyChat and Metronome IM free and open-source?

Yes. FluffyChat is licensed under AGPL-3.0 and Metronome IM under MIT. Both can be self-hosted at no software cost.

Can I run FluffyChat and Metronome IM with Docker?

FluffyChat: check the project docs for container support. Metronome IM: yes.

Which is lighter on resources, FluffyChat or Metronome IM?

FluffyChat has the smaller minimum footprint at 64 MB of RAM, compared to about 128 MB for Metronome IM. Real-world usage depends on library size, user count, and enabled features.

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