E2Guardian - Web filtering solution
ufdbGuard - URL filter for the Squid web proxy
NxFilter - Best performance. You don't want to slow down your network by installing a network security software. NxFilter is a light-weight DNS filter. It doesn't cause any latency issue in your network.
Qustodio - Free parental control software. Monitor and track your child's online activity. Block dangerous sites and protect kids from online bullying.
Diladele Web Safety - Diladele Web Safety is the name of a simple, easy to use and powerful web filter for all kind of activities over the internet.
FamilyShield - OpenDNS is the easiest way to make your Internet safer, faster and more reliable. Protect your family across all devices on your home network.