Uptime monitoring service with built-in Statuspages
Supports monitoring Websites, API's, Server, Ports, Domain names & thier SSL certificates.
Built-in fast performant Statuspages with Custom domains.
Multiple notification integrations: - Email - Slack - Discord - Telegram - Webhooks
Simple Ops - Simplify website performance and uptime monitoring with alerting, ssl check, chrome ux metrics, multi locations
Better Uptime - We call you when your website goes down
UptimeRobot - Free Website Uptime Monitoring
Monitoria.ca - Monitoria provides active monitoring for your website. It will periodically send request to your website and verify it's still running. When it detects an issue, it will send you a notification.
Uptime Kuma - A fancy self-hosted monitoring tool.
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.