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QNAP QTS vs Houston UI: catalog facts
QNAP QTS	Houston UI
Freemium Included with QNAP NAS hardware; some apps and services are paid add-ons.	Free Free and open source.
Linux, Self-hosted	Linux, Web, Self-hosted
Wide app catalog through the QNAP App Center for expanding NAS functionality Built-in Container Station and virtualization support for running extra services	Built on the widely used Cockpit framework rather than a proprietary UI stack Open source, so the management layer can be inspected or extended
Only runs on QNAP's own hardware, unlike open NAS operating systems ext4 base lacks the snapshot and dedupe depth of QNAP's ZFS-based QuTS hero	Primarily developed and tested around 45Drives' own hardware lineup Smaller plugin ecosystem than mainstream NAS OSes like OpenMediaVault
Self-hosted	Self-hosted, Web application
Closed source	Open source
License not stated	License not stated
Not stated if an account is 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 September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.