Hyperping - Cheap uptime and performance monitoring with detailed reporting and flexible alerting

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.

Suprvise - Know instantly when your sites are down.

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.

Oh Dear! - Website monitoring, without the hassle

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