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WindowsSpyBlocker vs DoNotSpy11: catalog facts
WindowsSpyBlocker	DoNotSpy11
Free Free and open source under the MIT licence.	Free Free download from the developer's site.
Windows	Windows
Single portable executable with no installer Targets Windows telemetry and tracking specifically	Covers Windows, Edge and Office privacy settings in one place Includes Windows AI settings
Windows only Blocking telemetry endpoints can affect some Windows features or updates	Windows only Changing system settings can affect updates or features you rely on
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 24, 2026

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