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