StatusPage.io - StatusPage.io is the best way for web infrastructure, developer API, and SaaS companies to get set up with their very own status page in minutes. Integrate public metrics and allow your customers to subscribe to be updated automatically.
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.
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StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
SaaSFrame - Browse hundreds of SaaS marketing pages, product interfaces and email flows.
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