{"data":{"slug":"uptime-kuma","name":"Uptime Kuma","tagline":"MIT self-host uptime monitoring and status pages","category":"observability","categoryName":"Observability","url":"https://uptime.kuma.pet","github":"https://github.com/louislam/uptime-kuma","pricing":"open-source","hook":"Uptime Kuma is the self-host uptime + status page stack when Datadog-class APM is the wrong bill for HTTP checks.","whatsGood":"MIT. Docker-friendly (commonly on port 3001), monitors, notifications, public status pages. Zero SaaS lock-in for basic uptime.","theCatch":"Self-host uptime + status pages — not Datadog/APM. You run the container, backups, and alerting path. HTTP/TCP checks are the lane, not full distributed tracing.","verdict":"MIT self-host uptime. Free forever; you own the box on 3001.","addedAt":"2026-09-05","featured":false,"domain":"Observability","subSpecialty":"Observability","capabilities":[],"surfaces":["API","Self-host","Hosted"],"ecosystem":["Multi-platform"],"licenseModel":"OSS/MIT","githubStars":90987},"related":[{"slug":"sentry","name":"Sentry","tagline":"Error tracking that actually helps"},{"slug":"grafana","name":"Grafana","tagline":"Dashboards for everything observable"},{"slug":"prometheus","name":"Prometheus","tagline":"Time-series metrics for cloud-native"},{"slug":"opentelemetry","name":"OpenTelemetry","tagline":"Vendor-neutral observability framework"},{"slug":"datadog","name":"Datadog","tagline":"Unified observability platform"}],"links":{"self":"/api/gems/uptime-kuma","html":"/gems/uptime-kuma","markdown":"/gems/uptime-kuma.md","category":"/api/gems?category=observability","categoryPage":"/stacks/observability"}}