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DietPi vs Armbian: catalog facts
DietPi	Armbian
Free Free to download and use.	Free Free and open source.
Linux	Linux
Low CPU and RAM footprint One-step installs of popular software	Supports more than 300 ARM boards Kernels patched and tested per board
Menu-driven setup is still text-based Aimed at small devices rather than desktops	Only for ARM hardware Support quality can vary between boards
Operating system	Operating system
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 23, 2026	Official website Full listing and sources Checked September 23, 2026

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