Element Web
Matrix & XMPPGlossy Matrix client for the web and desktop
Replaces Slack, Discord
Best Cross-Platform Matrix & XMPP for self-hosting
The 20 best Cross-Platform matrix & xmpp you can self-host, ranked by community traction.
Cinny
Matrix & XMPPSimple, elegant and secure Matrix client
Replaces Slack, Discord
Converse.js
Matrix & XMPPWeb-based XMPP/Jabber chat client
Replaces Slack
FluffyChat
Matrix & XMPPCute, cross-platform Matrix messenger
Replaces WhatsApp, Telegram
Openfire
Matrix & XMPPReal-time collaboration XMPP server written in Java
Replaces Slack, Microsoft Teams
Nheko
Matrix & XMPPDesktop Matrix client with native Qt interface
Replaces Slack, Discord
Dino
Matrix & XMPPModern XMPP chat client for the desktop
Replaces Skype, Slack
gomuks
Matrix & XMPPTerminal-based Matrix client written in Go
Replaces Slack, Discord
Profanity
Matrix & XMPPConsole-based XMPP client inspired by irssi
Replaces Slack
Syphon
Matrix & XMPPPrivacy-focused Matrix client built with Flutter
Replaces WhatsApp, Discord
Element X
Matrix & XMPPNext-generation fast Matrix client for mobile
Replaces WhatsApp, Signal
Fractal
Matrix & XMPPGNOME-native Matrix messaging client
Replaces Slack, Discord
Hydrogen
Matrix & XMPPWeb client for Matrix
CoyIM
Matrix & XMPPSecure desktop XMPP client with OTR encryption
Replaces Skype
Gajim
Matrix & XMPPFull-featured XMPP client with plugins
Replaces Skype, Slack
Ketesa
Matrix & XMPPAdmin UI for Matrix homeservers
Tigase XMPP Server
Matrix & XMPPHighly scalable XMPP/Jabber messaging server
Replaces Slack, WhatsApp
Commet
Matrix & XMPPCross-platform Matrix client built with Flutter
Replaces Discord, Slack
Prose
Matrix & XMPPXMPP client for team messaging
Replaces Discord, Facebook Messenger
Prosody
Matrix & XMPPModern XMPP communication server
No apps match these filters.
At a glance
| App | Deploy effort | Difficulty | Min. RAM | License | ★ Stars |
|---|---|---|---|---|---|
| Element Web | Under-an-hour setup | Easy | 128 MB | AGPL-3.0 | 13,569 |
| Cinny | Under-an-hour setup | Easy | 64 MB | AGPL-3.0 | 3,933 |
| Converse.js | Under-an-hour setup | Easy | 64 MB | MPL-2.0 | 3,298 |
| FluffyChat | Read-the-docs project | Easy | 64 MB | AGPL-3.0 | 3,207 |
| Openfire | Under-an-hour setup | Medium | 512 MB | Apache-2.0 | 3,073 |
| Nheko | Read-the-docs project | Easy | 256 MB | GPL-3.0 | 2,507 |
| Dino | Read-the-docs project | Easy | 128 MB | GPL-3.0 | 2,500 |
| gomuks | Read-the-docs project | Easy | 128 MB | AGPL-3.0 | 1,732 |
| Profanity | Read-the-docs project | Medium | 32 MB | GPL-3.0 | 1,546 |
| Syphon | Read-the-docs project | Easy | 256 MB | AGPL-3.0 | 1,058 |
Quick picks
- Most adopted: Element Web (13,569 GitHub stars).
- Lightest footprint: Prosody (from 10 MB RAM, against 1,024 MB for the heaviest here).
- Licensing: 8 of 20 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 Cross-Platform within the matrix & xmpp category. Deploy effort is graded from published container recipes, not vendor claims — see the methodology.