ejabberd vs matrix-appservice-slack

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

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Featureejabberdmatrix-appservice-slack
CategoryMatrix & XMPPMatrix & XMPP
LicenseGPL-2.0Apache-2.0
LanguageErlangTypeScript
Setup difficultyHardMedium
Min. RAM512 MB256 MB
Deploymentdocker, bare-metaldocker, source
GitHub stars★ 6,711★ 281
First released20022017
ReplacesSlack, WhatsAppSlack official client

Why pick each one

Choose ejabberd if…

  • Extremely scalable
  • Battle-tested
  • Standards-based
ejabberd details

Choose matrix-appservice-slack if…

  • Released under the Apache-2.0 license
  • First-class Docker support for quick deployment
  • Written in TypeScript
  • Tiny footprint — runs in 256 MB RAM
matrix-appservice-slack details

Frequently asked questions

Is ejabberd or matrix-appservice-slack better?

Neither is universally better. ejabberd has the larger community, while matrix-appservice-slack is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.

Are ejabberd and matrix-appservice-slack free and open-source?

Yes. ejabberd is licensed under GPL-2.0 and matrix-appservice-slack under Apache-2.0. Both can be self-hosted at no software cost.

Can I run ejabberd and matrix-appservice-slack with Docker?

ejabberd: yes. matrix-appservice-slack: yes.

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