Ghostery - Privacy tool for transparency and control
uMatrix - uMatrix: A point-and-click matrix-based firewall, with many privacy-enhancing tools.
Privacy Badger - Privacy Badger blocks spying ads and invisible trackers. How is Privacy Badger different from Disconnect, Adblock Plus, Ghostery, and other blocking extensions?
Adguard Web Filter - Adguard Web Filter is different from its other tool Adguard Blocker.
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.
NoScript - NoScript for Firefox pre-emptively blocks malicious scripts and allows JavaScript, Java and other potentially dangerous content only from sites you trust. Download it now for free! - what is it?