OpenDNS

OpenDNS is the leading provider of security and infrastructure services that make the Internet safer through integrated Web content filtering, anti-phishing and DNS.

Free Personal Web

WebTitan DNS Web Filter

WebTitan is a powerful web filter providing protection from web based security threats and advanced web and dns filtering control to businesses around the world.

Commercial

Quad9

Quad9 is a free, recursive, anycast DNS platform that provides end users robust security protections, high-performance, and privacy.

Free Web

Blue Reef

Internet Management Platform and Managed Service designed for Education institutions. Blue Reef keeps students safe and on track - providing complete visibility and...

Commercial Mac OS X Windows Android iPhone Web

CleanBrowsing

CleanBrowsing is a family and kid-safe way to browse the web without surprises. It Automatically blocks adult content, while still allowing Google, Youtube, Bing and the...

Free Windows Linux iPhone Chrome OS Web