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

Nagios - Complete monitoring and alerting for servers, switches, applications, and services

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

Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.

Ekran System - Ekran System is an enterprise-grade user monitoring software.

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.