Sliding Sync Proxy 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?
FeatureSliding Sync ProxySynapse
CategoryMatrix & XMPPMatrix & XMPP
LicenseApache-2.0AGPL-3.0
LanguageGoPython
Setup difficultyMediumHard
Min. RAM256 MB1,024 MB
Deploymentdocker, binary, sourcedocker, bare-metal
GitHub stars★ 282★ 4,503
First released20222014
ReplacesSlack, Discord, WhatsApp

Why pick each one

Choose Sliding Sync Proxy if…

  • Released under the Apache-2.0 license
  • First-class Docker support for quick deployment
  • Written in Go
  • Tiny footprint — runs in 256 MB RAM
Sliding Sync Proxy details

Choose Synapse if…

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

Frequently asked questions

Is Sliding Sync Proxy or Synapse better?

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

Are Sliding Sync Proxy and Synapse free and open-source?

Yes. Sliding Sync Proxy is licensed under Apache-2.0 and Synapse under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run Sliding Sync Proxy and Synapse with Docker?

Sliding Sync Proxy: yes. Synapse: yes.

Related comparisons