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Spybot Anti-BeaconWindowsSpyBlocker
Freemium

A free edition is available; Home, Plus and Professional editions are paid subscriptions.

 Free

Free and open source under the MIT licence.

Windows Windows
  • Free edition blocks Windows and antivirus telemetry
  • Paid editions cover Office, browsers, games and drivers
  • Single portable executable with no installer
  • Targets Windows telemetry and tracking specifically
  • Windows only
  • Wider coverage requires a paid subscription
  • Windows only
  • Blocking telemetry endpoints can affect some Windows features or updates
Downloadable app Downloadable app
Closed source Open source
License not stated License: MIT
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked September 23, 2026

Checked October 2, 2026

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