Uptime Monitoring
Uptime Kuma
A self-hosted uptime monitoring tool that tracks website and service availability with real-time alerts and status pages.
84,104 stars
Last commit Mar 15, 2026mit
OpenStatus
An open-source uptime monitoring and status page platform that proactively monitors APIs and websites worldwide to detect performance issues and downtime.
8,469 stars
Last commit Mar 15, 2026agpl-3.0
Gatus
An open-source uptime monitoring and status page platform that detects website and API downtime before your users do.
10,399 stars
Last commit Mar 6, 2026apache-2.0