Ghostery - Privacy tool for transparency and control
Privacy Badger - Privacy Badger blocks spying ads and invisible trackers. How is Privacy Badger different from Disconnect, Adblock Plus, Ghostery, and other blocking extensions?
uMatrix - uMatrix: A point-and-click matrix-based firewall, with many privacy-enhancing tools.
Disconnect - Make the web faster, more private, and more secure. Disconnect lets you visualize and block the invisible sites that track your search and browsing history.
uBlock Origin - Popular and efficient blocker for Chromium, Chrome, Edge, Firefox, Opera, Safari, Thunderbird.