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REDAXO vs Concrete CMS: catalog facts
REDAXO	Concrete CMS
Free Free and open source under the MIT licence.	Free Free and open source under the MIT licence.
Self-hosted	Self-hosted
Full control over output code through custom modules Installer addon with ready-made demo websites	Permissive MIT licence Long-running project with legacy branches available
Documentation and community are mostly in German Requires PHP and MySQL hosting	Needs a PHP server and Composer to install Older concrete5 sites need upgrading to reach version 9
Self-hosted	Self-hosted
Open source	Open source
License: MIT	License: MIT
No account needed	Not stated if an account is 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.