- Bind - The most widely used name server software.
- CoreDNS - Flexible DNS server written on Go.
- djbdns - A collection of DNS applications, including tinydns.
- Designate - DNS REST API that support several DNS servers as its backend.
- dnsmasq - A lightweight service providing DNS, DHCP and TFTP services to small-scale networks.
- Knot - High performance authoritative-only DNS server.
- NSD - Authoritative only, high performance, simple name server.
- PowerDNS - DNS server with a variety of data storage back-ends and load balancing features.
- Unbound - Validating, recursive, and caching DNS resolver.
- Yadifa - Lightweight authoritative Name Server with DNSSEC capabilities powering the .eu top-level domain.
- CoreDNS - Plugin driven DNS Server with support for proxying to Google's DNS-over-HTTPS. (Source Code)
Apache-2.0
Go
- nsupdate.info - nsupdate.info is a dynamic DNS service. (Demo, Source Code)
BSD-3-Clause
Python
- SPF Toolbox - Application to look up DNS records such as SPF, MX, Whois, and more. (Source Code)
MIT
PHP
DNS / Free Software and web applications
This is a list of Free Software network services and web applications which can be hosted locally. Selfhosting is the process of locally hosting and managing applications instead of renting from SaaS providers. ---from github/Kickball/awesome-selfhosted