Ghostery - Privacy tool for transparency and control
E2Guardian - Web filtering solution
Privacy Badger - Privacy Badger blocks spying ads and invisible trackers. How is Privacy Badger different from Disconnect, Adblock Plus, Ghostery, and other blocking extensions?
ufdbGuard - URL filter for the Squid web proxy
uMatrix - uMatrix: A point-and-click matrix-based firewall, with many privacy-enhancing tools.
NaaS - Nudity-detection as a service run on solar powered Rasp Pi's