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Contao vs Joomla!: catalog facts
Contao	Joomla!
Free Free and open source under the LGPL-3.0 license.	Free Free and open source under the GPL-2.0 or later license.
Self-hosted	Self-hosted
Multiple sites and languages in one installation Four years of support for LTS versions	Built-in multilingual support Multi-user permission levels
Smaller international community than the largest CMSs Requires a PHP server to host	Requires a PHP and database server Administration can feel complex for small sites
Self-hosted	Self-hosted
Open source	Open source
License: LGPL-3.0	License: GPL-2.0
No account 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.