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PolyOS 7

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PolyOS 7

The operating system built in Scratch, as a real desktop on Debian. Free and open source, by Cryptic Software.

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© 2026 Cryptic Software. PolyOS 7 for Debian is an independent project, provided as is and without warranty; it isn’t affiliated with the Scratch Foundation, Debian or Microsoft. The PolyOS logo and artwork come from the Scratch project by PIXAPoLY Software (CC BY-SA 2.0). Disclaimer