BIND - BIND is by far the most widely used DNS software on the Internet.

ServerSuit - ServerSuit is a browser based program that enables remote Linux administration, monitoring, website hosting, and server setup automation.

PowerDNS - PowerDNS offers open source DNS software, services, and support.

RedGate SQL Monitor - SQL Monitor helps you and your team find issues – before they become problems

dnsmasq - Dnsmasq is a lightweight, easy to configure DNS forwarder and DHCP server.

Netumo - Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.