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AtlasOS vs Flyoobe: catalog facts
AtlasOS	Flyoobe
Free Free and open source; donations accepted.	Free Free download from the GitHub repository.
Windows	Windows
Open source with transparent changes Detailed docs on removed features and reverting	Helps install Windows 11 on unsupported hardware Combines setup and debloating in one tool
No longer supports Windows 10 Requires following a guided install with AME Wizard	Fake sites and repositories impersonate it, so download only from GitHub Windows only
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	No account 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 October 1, 2026

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