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Adblock PlusGhostery
Free

Free and open source under GPLv3 or later.

 Freemium

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

iOS, Browser extension Browser extension
  • Available for all major desktop browsers
  • Customizable filter lists
  • Names the trackers on each page and who owns them
  • Blocks cookie consent dialogs as well as ads and trackers
  • The homepage leans on marketing claims rather than technical detail
  • Separate apps are needed for mobile browsers
  • The company's earlier advertising-related business model still makes some people wary
  • Extra features such as private search need an account or subscription
Downloadable app, Browser extension Browser extension
Open source Open source
License: GPL-3.0-or-later 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 September 23, 2026

Checked September 22, 2026

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