1.1.1.1 - The free app that makes your Internet safer.
Polipo - A small and fast caching web proxy (a web cache, an HTTP proxy, a proxy server).
OpenDNS - OpenDNS provides faster and safer Internet access for your home or Business.
Artica Proxy - Artica Proxy is an appliance that claim to manage Squid-cache proxy with all features that Squid...
Quad9 - Quad9 is a free, recursive, anycast DNS platform that provides end users robust security protections, high-performance, and privacy.
dnsmasq - Dnsmasq is a lightweight, easy to configure DNS forwarder and DHCP server.