Compare software

uBO ScopeGhostery
Free

Free and open source.

 Freemium

The blocker is free and open source. Ghostery's contributor plan and extra services are…

Browser extension Browser extension
  • Shows third-party connections per page
  • From the author of uBlock Origin
  • Names the trackers on each page and who owns them
  • Blocks cookie consent dialogs as well as ads and trackers
  • Reports connections but does not block them
  • The company's earlier advertising-related business model still makes some people wary
  • Extra features such as private search need an account or subscription
Browser extension Browser extension
Open source Open source
License: GPL-3.0 License: MPL-2.0
No account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked September 22, 2026

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