Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
ScienceLogic - ScienceLogic simplifies data center, cloud, and network monitoring with its all-in-one platform.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
eG Enterprise - From application performance to user experience to infrastructure usage, get performance answers from a single console. Troubleshoot fast with actionable insights.
Better Uptime - We call you when your website goes down
InsightCat - Full-stack monitoring platform for your software and hardware. InsightCat is a cloud-based and AI-powered solution to enhance your system health estate through infrastructure monitoring and alerting capabilities.