Statping - Status Page for monitoring your websites and applications with beautiful graphs, analytics, and plugins. Run on any type of environment.
statuspage - A simple self-hosted status page site with an API written in Django under the BSD license.
LambStatus - Serverless status page system which enables you to build a status page with minimum effort and cost!
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.
cState - 🔥 Free & open source under MIT!
UptimeRobot - Free Website Uptime Monitoring