Uptime Kuma offers F/OSS alerting and monitoring for your websites, alerting you when any of them go down.
With over 20k stars, the project is well loved by self-hosters and system administrators everywhere.
A self-hosted monitoring tool
Uptime Kuma ( code) is a monitoring tool for website uptime alerting. Uptime Kuma screenshot (source: https://github.com/louislam/uptime-kuma)
Need to know whether your site is up or not? Uptime Kuma is the self-hosted service for you.
Uptime gives you features of many enterprise solutions like Pingdom for absolutely free, along with an MIT-licensed codebase that you can contribute to.
With 206 contributors, and 23.4k Github stars, Uptime Kuma is already well-loved by the community and comes with many features to make checking on any sites you care about a breeze.
Uptime Kuma was created and is maintained by Louis Lam – if you'd like to support his work, you can do so
via Github Sponsors