Tinode
Matrix & XMPPOpen-source instant messaging server
Replaces WhatsApp, Slack
Best Real-Time Matrix & XMPP for self-hosting
The 39 best Real-Time matrix & xmpp you can self-host, ranked by community traction.
Element Web
Matrix & XMPPGlossy Matrix client for the web and desktop
Replaces Slack, Discord
ejabberd
Matrix & XMPPRobust, scalable XMPP messaging server
Replaces Slack, WhatsApp
Dendrite
Matrix & XMPPSecond-generation Matrix homeserver written in Go
Replaces Slack, Discord
Synapse
Matrix & XMPPReference homeserver for the Matrix network
Replaces Slack, Discord
Cinny
Matrix & XMPPSimple, elegant and secure Matrix client
Replaces Slack, Discord
Converse.js
Matrix & XMPPWeb-based XMPP/Jabber chat client
Replaces Slack
Openfire
Matrix & XMPPReal-time collaboration XMPP server written in Java
Replaces Slack, Microsoft Teams
FluffyChat
Matrix & XMPPCute, cross-platform Matrix messenger
Replaces WhatsApp, Telegram
Dino
Matrix & XMPPModern XMPP chat client for the desktop
Replaces Skype, Slack
Nheko
Matrix & XMPPDesktop Matrix client with native Qt interface
Replaces Slack, Discord
Conduit
Matrix & XMPPSimple, fast and reliable Matrix homeserver in Rust
Replaces Slack, Discord
ZNC
Matrix & XMPPAdvanced and flexible IRC bouncer
Replaces IRCCloud
Movim
Matrix & XMPPSocial and chat platform built on XMPP
Replaces Facebook, Slack
MongooseIM
Matrix & XMPPScalable, robust XMPP messaging platform
Replaces Slack, WhatsApp
gomuks
Matrix & XMPPTerminal-based Matrix client written in Go
Replaces Slack, Discord
Profanity
Matrix & XMPPConsole-based XMPP client inspired by irssi
Replaces Slack
Convos IRC
Matrix & XMPPAlways-online web IRC client you can self-host
Replaces Slack, IRCCloud
Syphon
Matrix & XMPPPrivacy-focused Matrix client built with Flutter
Replaces WhatsApp, Discord
Element Call
Matrix & XMPPEncrypted group video calls on Matrix
Replaces Zoom, Google Meet
Dendrite Lite
Matrix & XMPPSecond-generation Matrix homeserver written in Go
Replaces Slack, Discord
Element X
Matrix & XMPPNext-generation fast Matrix client for mobile
Replaces WhatsApp, Signal
Fractal
Matrix & XMPPGNOME-native Matrix messaging client
Replaces Slack, Discord
JSXC
Matrix & XMPPJavaScript XMPP client for the browser
Replaces Slack
Continuwuity
Matrix & XMPPCommunity-maintained Rust Matrix homeserver
Replaces Slack, Discord
mautrix-signal
Matrix & XMPPBridge connecting Signal messaging to Matrix
Replaces Signal
Gajim
Matrix & XMPPFull-featured XMPP client with plugins
Replaces Skype, Slack
SchildiChat
Matrix & XMPPElement-based Matrix client with extra usability tweaks
Replaces Slack, WhatsApp
jabberd2
Matrix & XMPPLightweight C implementation of the XMPP server
Replaces Slack
Construct
Matrix & XMPPHigh-performance Matrix homeserver written in C++
Replaces Slack, Discord
Tigase XMPP Server
Matrix & XMPPHighly scalable XMPP/Jabber messaging server
Replaces Slack, WhatsApp
Sliding Sync Proxy
Matrix & XMPPStandalone sync proxy enabling fast Matrix clients
Poezio
Matrix & XMPPConsole XMPP client modeled after IRC clients
Replaces Slack
Metronome IM
Matrix & XMPPLightweight, fork-based XMPP communication server
Replaces Slack, WhatsApp
PeerTube Plugin LiveChat
Matrix & XMPPPlugin adding live chat to PeerTube streams
Replaces Twitch chat
Commet
Matrix & XMPPCross-platform Matrix client built with Flutter
Replaces Discord, Slack
Monocles Chat
Matrix & XMPPPrivacy-focused XMPP messenger for Android
Replaces WhatsApp, Signal
Openfire Pade Plugin
Matrix & XMPPMeetings and messaging plugin for Openfire
Replaces Zoom, Slack
conduwuit
Matrix & XMPPWell-maintained fork of the Conduit Matrix homeserver
Replaces Slack, Discord
No apps match these filters.
Every option here is open-source and self-hostable, tagged Real-Time within the matrix & xmpp category. Compare them on the individual app pages for setup difficulty and resource requirements.