go-sendxmpp 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?
Featurego-sendxmppSynapse
CategoryMatrix & XMPPMatrix & XMPP
LicenseGPL-3.0AGPL-3.0
LanguageGoPython
Setup difficultyEasyHard
Min. RAM32 MB1,024 MB
Deploymentbinary, sourcedocker, bare-metal
GitHub stars★ 100★ 4,503
First released20192014
ReplacesSlack incoming webhooksSlack, Discord, WhatsApp

Why pick each one

Choose go-sendxmpp if…

  • Released under the GPL-3.0 license
  • Easy to set up — beginner-friendly
  • Written in Go
  • Tiny footprint — runs in 32 MB RAM
go-sendxmpp details

Choose Synapse if…

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

Frequently asked questions

Is go-sendxmpp or Synapse better?

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

Are go-sendxmpp and Synapse free and open-source?

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

Can I run go-sendxmpp and Synapse with Docker?

go-sendxmpp: check the project docs for container support. Synapse: yes.

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