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

Zabbix - Track, record, alert and visualize performance and availability of IT resources

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

FastNetMon - FastNetMon is a very fast DDoS analyzer with sflow/netflow/mirror support.

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.

Abusix - Abusix is a network security company that offers email threat protection and network abuse handling solutions to ISPs, Telcos, and Cloud/Hosting Providers to stop the rapidly growing problem of email-borne threats and other kinds of network abuse.