Synapse
Matrix & XMPPReference homeserver for the Matrix network
Replaces Slack, Discord
Best PostgreSQL Matrix & XMPP for self-hosting
The 4 best PostgreSQL matrix & xmpp you can self-host, ranked by community traction.
Movim
Matrix & XMPPSocial and chat platform built on XMPP
Replaces Facebook, Slack
MongooseIM
Matrix & XMPPScalable, robust XMPP messaging platform
Replaces Slack, WhatsApp
Matrix Authentication Service
Matrix & XMPPOAuth 2.0 and OpenID Connect provider for Matrix homeservers
No apps match these filters.
At a glance
| App | Deploy effort | Difficulty | Min. RAM | License | ★ Stars |
|---|---|---|---|---|---|
| Synapse | Under-an-hour setup | Hard | 1,024 MB | AGPL-3.0 | 4,699 |
| Movim | Under-an-hour setup | Medium | 512 MB | AGPL-3.0 | 2,065 |
| MongooseIM | Under-an-hour setup | Hard | 1,024 MB | GPL-2.0 | 1,760 |
| Matrix Authentication Service | Under-an-hour setup | Medium | 256 MB | Apache-2.0 | 284 |
Quick picks
- Most adopted: Synapse (4,699 GitHub stars).
- Lightest footprint: Matrix Authentication Service (from 256 MB RAM, against 1,024 MB for the heaviest here).
- Licensing: 2 of 4 use AGPL-3.0; check the rest individually if you plan to modify and redistribute.
Every option here is open-source and self-hostable, tagged PostgreSQL within the matrix & xmpp category. Deploy effort is graded from published container recipes, not vendor claims — see the methodology.