E2Guardian - Web filtering solution
Blur - Blur is a software application available for both Google Chrome and your smartphone. It's developed by Abine, an online privacy company trusted by more than twenty million people. Read more about Blur.
ufdbGuard - URL filter for the Squid web proxy
NaaS - Nudity-detection as a service run on solar powered Rasp Pi's
DataMask.tech - Mask private data before taking screenshots
uMatrix - uMatrix: A point-and-click matrix-based firewall, with many privacy-enhancing tools.