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Puppy Linux vs Porteus: catalog facts
Puppy Linux	Porteus
Free Free to download.	Free Free to download, with optional donations.
Linux	Linux
Several variants on different bases Consistent Puppy tools across variants	Image under 300 MB Runs portably from USB, CD or hard drive
Choosing between variants can be confusing Uses its own .pet package format	Module system differs from mainstream package management Parts of the website describe older desktop versions
Operating system	Operating system
Open source	Open source
License not stated	License not stated
No account needed	No account needed
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.