Uptime Kuma is a self-hosted uptime monitoring tool for HTTP(S), TCP, ping, DNS and more, with notifications, charts, and public status pages.

89.6k stars8.2k forksMITlast commit Actively maintained
Hosted status page and incident communication service for publishing real-time uptime and incident updates, scheduling maintenance, and notifying subscribers via email, RSS and integrations. Includes subscriber management, incident timelines and basic status metrics.
Uptime Kuma is a self-hosted uptime monitoring tool for HTTP(S), TCP, ping, DNS and more, with notifications, charts, and public status pages.

89.6k stars8.2k forksMITlast commit Actively maintained
Self-hosted status page and uptime monitoring tool with configurable health checks, dashboards, metrics, and alerting for HTTP, TCP, ICMP, and DNS endpoints.

11.6k stars780 forksApache-2.0last commit Actively maintained
Self-hosted monitoring for websites and servers with uptime checks, response-time metrics, incidents, and status pages, plus optional agent-based hardware monitoring.

10.4k stars1.2k forksAGPL-3.0last commit Actively maintained
Self-hosted status page system with built-in monitoring, incident tracking, and customizable public status pages for websites and APIs.

5.1k stars286 forksMITlast commit Actively maintained
Self-hosted insight hub combining privacy-focused web analytics, uptime monitoring, and server/server-docker status with an API for integrations.

3.1k stars196 forksApache-2.0last commit Actively maintained
Open-source static status page for publishing incidents and service status, built with Hugo for fast builds, easy customization, and optional CMS editing.

2.9k stars250 forksMITlast commit Actively maintained
Self-hosted monitoring for servers, services, SSL, incidents and status pages; React frontend with a Go backend and embedded SQLite data store.

2.8k stars239 forksMITlast commit Actively maintained
Open source status page and monitoring server for HTTP, TCP, UDP, ICMP and gRPC checks, with dashboards, alerts, and a REST API.

2k stars185 forksGPL-3.0last commit Slowing down
Open-source, self-hosted uptime monitoring tool for websites, APIs, and infrastructure with notifications, public status pages, and multiple monitor types.

1.2k stars66 forksMITlast commit Actively maintained
Self-hosted monitoring tool for uptime, TCP/HTTP checks, Docker monitoring, multi-user dashboards, incident management, SSO and alerting integrations.

730 stars41 forkslast commit Actively maintained
Self-hosted uptime and SSL monitoring with status pages, REST API, Prometheus/OpenTelemetry exporters, per-monitor notifications, and YAML config.
571 stars34 forksAGPL-3.0last commit Actively maintained
Self-hosted uptime and SSL monitoring with status pages, REST API, Prometheus and OpenTelemetry exporters, per-monitor notifications, and YAML-based configuration.
571 stars34 forksAGPL-3.0last commit Actively maintained
Go-based lightweight dashboard with tabs, panels, uptime monitoring and notifications; configurable via GUI or YAML, runs as Docker container or single binary.
244 stars13 forksMITlast commit Likely dormant
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 11 of 13 shipped a commit in the last six months. Licences in this list: MIT, Apache-2.0, AGPL-3.0, GPL-3.0. In exchange you take on hosting, backups and updates yourself.
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