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Betula vs Servas: catalog facts
Betula	Servas
Free Free and open source under the AGPL-3.0 license.	Free Free and open source under the GPL-3.0 license.
Web, Self-hosted	Web, Self-hosted
One binary and one SQLite file Fediverse following, likes and reposts	Nested groups and tag-based smart groups Firefox and Chrome extensions
Single user per instance Fediverse features need a public domain and HTTPS setup	No page archiving Setup requires a few manual Docker steps
Self-hosted	Self-hosted
Open source	Open source
License: AGPL-3.0	License: GPL-3.0
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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