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.
Apache JMeter - Apache JMeter™.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Simple Analytics - The privacy-first Google Analytics alternative located in Europe.
Better Uptime - We call you when your website goes down
Qubit - Qubit is a web personalization platform founded by former Google workers, using innovative technology to collect, store, process, and output data to optimize consumers' experiences on the web. Read more about Qubit.