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Movim vs Haven: catalog facts
Movim	Haven
Free Free and open source under the AGPL-3.0, funded by donations.	Free Free and open source under the AGPL-3.0.
Web, Self-hosted	Linux, Web
Uses standard XMPP and talks to other XMPP clients Chat, feeds and video calls in one web interface	Social feed and profiles built on the open Matrix protocol Based on the mature Element Web client
Self-hosting needs PostgreSQL and some setup Largely maintained by one developer	Small, young project with few contributors Social event types depend on a spec proposal that is not yet standard
Web application, Self-hosted	Downloadable app, Web application
Open source	Open source
License: AGPL-3.0	License: AGPL-3.0
Account needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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