Compare software

Haven vs Sable: catalog facts
Haven	Sable
Free Free and open source under the AGPL-3.0.	Free Free and open source under the AGPL-3.0.
Linux, Web	Linux, Web
Social feed and profiles built on the open Matrix protocol Based on the mature Element Web client	Builds on Cinny with many extra features Usable in the browser or as a Linux app
Small, young project with few contributors Social event types depend on a spec proposal that is not yet standard	In constant development, so features change often Requires a Matrix account
Downloadable app, Web application	Downloadable app, Web application
Open source	Open source
License: AGPL-3.0	License: AGPL-3.0-only
Account needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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