Gajim vs Synapse

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?
FeatureGajimSynapse
CategoryMatrix & XMPPMatrix & XMPP
LicenseGPL-3.0AGPL-3.0
LanguagePythonPython
Setup difficultyEasyHard
Min. RAM128 MB1,024 MB
Deploymentbinary, sourcedocker, bare-metal
GitHub stars★ 600★ 4,503
First released20052014
ReplacesSkype, SlackSlack, Discord, WhatsApp

Why pick each one

Choose Gajim if…

  • Released under the GPL-3.0 license
  • Easy to set up — beginner-friendly
  • Written in Python
  • Tiny footprint — runs in 128 MB RAM
Gajim details

Choose Synapse if…

  • Open federated protocol
  • Strong encryption
  • Bridges to other chats
Synapse details

Frequently asked questions

Is Gajim or Synapse better?

Neither is universally better. Synapse has the larger community, while Gajim is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are Gajim and Synapse free and open-source?

Yes. Gajim is licensed under GPL-3.0 and Synapse under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run Gajim and Synapse with Docker?

Gajim: check the project docs for container support. Synapse: yes.

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