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Neos vs Umbraco: catalog facts
Neos	Umbraco
Free Free and open source under the GPL-3.0 licence.	Free The CMS is free and open source under the MIT licence.
Self-hosted	Self-hosted
Inline WYSIWYG editing on the page Publishing workflows and role management	Built on modern .NET and ASP.NET Core Editor-friendly backoffice
Setup and development require PHP knowledge Aimed at larger projects more than simple blogs	Requires .NET development skills to build sites Marketing focuses on enterprise and sales-led services
Self-hosted	Self-hosted
Open source	Open source
License: GPL-3.0	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.