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.
E2Guardian - Web filtering solution
NaaS - Nudity-detection as a service run on solar powered Rasp Pi's
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
DataMask.tech - Mask private data before taking screenshots
CacheGuard-OS - CacheGuard is an enterprise grade Web Gateway solution offering Web Security & Optimization in the same box. Price starting at $99 per Year!