Uptime Monitoring
Uptime Kuma
A self-hosted uptime monitoring tool that tracks website and service availability with real-time alerts and status pages.
80,629 stars
Last commit Dec 31, 2025mit
OpenStatus
An open-source uptime monitoring and status page platform that proactively monitors APIs and websites worldwide to detect performance issues and downtime.
8,173 stars
Last commit Dec 24, 2025agpl-3.0
Gatus
An open-source uptime monitoring and status page platform that detects website and API downtime before your users do.
9,418 stars
Last commit Dec 31, 2025apache-2.0