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Q4OS vs Puppy Linux: catalog facts
Q4OS	Puppy Linux
Free Free to download and use, supported by donations.	Free Free to download.
Linux	Linux
Runs on older or low-powered hardware Built on stable Debian	Several variants on different bases Consistent Puppy tools across variants
Stable Debian base means older application versions Smaller project with a small development team	Choosing between variants can be confusing Uses its own .pet package format
Operating system	Operating system
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Not stated if it works offline	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.