Alerting Systems
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Prometheus
Prometheus is a leading open-source monitoring and alerting system designed for reliability and scalability in modern cloud environments.
59,901 stars
Last commit Aug 13, 2025apache-2.0
Uptime Kuma
A self-hosted uptime monitoring tool that tracks website and service availability with real-time alerts and status pages.
73,173 stars
Last commit Aug 9, 2025mit
Sentry
Sentry is an application monitoring and error tracking platform that helps developers identify, debug, and resolve issues in production applications in real-time.
41,718 stars
Last commit Aug 13, 2025
Coroot
Coroot is an open-source APM and observability platform that provides zero-configuration monitoring and troubleshooting for microservices and distributed applications.
6,936 stars
Last commit Aug 13, 2025apache-2.0