Is It Down Right Now? - Network & Admin

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.

UPDOWNtoday - UPDOWNTODAY allows you to check whether the website is down or not.

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.

Site Down - Site down outage and downtime reports from SiteDown.co

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