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

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

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

Knot DNS - High-performance authoritative-only DNS 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.

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