Uptime Monitoring
Uptime Kuma
A self-hosted uptime monitoring tool that tracks website and service availability with real-time alerts and status pages.
82,805 stars
Last commit Feb 14, 2026mit
OpenStatus
An open-source uptime monitoring and status page platform that proactively monitors APIs and websites worldwide to detect performance issues and downtime.
8,325 stars
Last commit Feb 14, 2026agpl-3.0
Gatus
An open-source uptime monitoring and status page platform that detects website and API downtime before your users do.
10,112 stars
Last commit Feb 10, 2026apache-2.0