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Hubzilla vs Known: catalog facts
Hubzilla	Known
Free Free open-source software you host yourself.	Free Free and open source software.
Web, Self-hosted	Self-hosted
Nomadic identity with clones and backups Built-in files, photos, calendar, webpages and wikis	IndieWeb support with replies and bookmarks between sites ActivityPub delivery to the Fediverse
Many features make it more complex than simple microblogging servers Requires running your own web server	Needs PHP 8.3+, a database and a background worker for ActivityPub Install packages are unofficial; main code is under active development
Self-hosted	Self-hosted
Open source	Open source
License not stated	License: Apache-2.0
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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