ServerPilot.io - Centralized hosting control panel for Wordpress and PHP web sites
ServerSuit - ServerSuit is a browser based program that enables remote Linux administration, monitoring, website hosting, and server setup automation.
Webmin - Webmin is a web-based interface for system administration for Unix.
RedGate SQL Monitor - SQL Monitor helps you and your team find issues – before they become problems
Ajenti - Web administration panel for servers and custom hardware
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.