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

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.

AppZero - AppZero is a monitoring and migration tool that allows users to keep track of different applications and servers in both simple and complex IT environments.

CULA - A webmonitoring solution for beginners and pros.

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

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