PowerDNS - PowerDNS offers open source DNS software, services, and support.
dnsmasq - Dnsmasq is a lightweight, easy to configure DNS forwarder and DHCP server.
Unbound - Unbound is a validating, recursive, and caching DNS resolver.
AdGuard - Surf the Web Ad-Free and Safely. Shield up!
NSD - NSD is an authoritative only, high performance, simple and open source name server.
Simple DNS Plus - DNS Server for Windows