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

Visualping - Visualping is the easiest to use website checker, webpage change monitoring, website change detector and website change alert software of the web. Read more about Visualping.

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

Wachete - Track web page changes and get notified. Free Sign-up. Have all data in one place

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.

Update Scanner - Update Scanner is a Firefox extension to monitor web pages for updates.