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ejabberdTigase XMPP Server
Free

Free and open source.

 Freemium

Open-source server, with paid plans and support offered by Tigase.

Linux, Self-hosted Self-hosted
  • XMPP, MQTT and SIP in one server
  • Over 400 XMPP extensions supported
  • Built on the open XMPP standard
  • Designed for large numbers of users
  • More complex than servers built for small groups
  • Erlang-based stack can be unfamiliar to admins
  • Requires server administration knowledge to deploy and run
  • Website is aimed at businesses buying support
Self-hosted Self-hosted
Open source Open source
License not stated License not stated
No account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.