Trace - Visualized Node.js monitoring
Privacy Badger - Privacy Badger blocks spying ads and invisible trackers. How is Privacy Badger different from Disconnect, Adblock Plus, Ghostery, and other blocking extensions?
WeBlock - Weblock allows you to block online content.
uMatrix - uMatrix: A point-and-click matrix-based firewall, with many privacy-enhancing tools.
Safari AdBlocker - Safari AdBlocker is the only 64-bit ad blocker built for Mac OS X 10.
Ghostery - Privacy tool for transparency and control