server uptime monitoring

A fancy self-hosted monitoring tool
Uptime Kuma is an easy-to-use self-hosted monitoring tool.
https://github.com/louislam/uptime-kuma

https://uptimerobot.com/
一个基于 UptimeRobot API 的在线状态面板
https://github.com/yb/uptime-status

Free uptime monitor and status page powered by GitHub
https://github.com/upptime/upptime