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