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Plone vs Joomla!: catalog facts
Plone	Joomla!
Free Free and open source, backed by the Plone Foundation.	Free Free and open source under the GPL-2.0 or later license.
Self-hosted	Self-hosted
Long security track record Headless mode with a REST API	Built-in multilingual support Multi-user permission levels
Python and React stack is heavier than a simple PHP CMS Better suited to organisations than small personal sites	Requires a PHP and database server Administration can feel complex for small sites
Self-hosted	Self-hosted
Open source	Open source
License: ZPL-2.0	License: GPL-2.0
Not stated if an account is needed	No 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.