Uptime Kuma is a self-hosted uptime monitoring tool for HTTP(S), TCP, ping, DNS and more, with notifications, charts, and public status pages.
90.7k stars8.3k forksMITlast commit Actively maintained
20 self-hosted UptimeRobot alternatives
Cloud uptime and availability monitoring that checks websites, servers and ports (HTTP/S, ping, TCP), monitors keywords and response times, records incident history, and sends alerts via email, SMS and integrations (webhooks, Slack, etc.).
Alternatives to UptimeRobot
#2
Self-hosted status page and uptime monitoring tool with configurable health checks, dashboards, metrics, and alerting for HTTP, TCP, ICMP, and DNS endpoints.
11.9k stars808 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.
10.8k stars1.2k forksAGPL-3.0last commit Actively maintained
Self-hostable observability platform for uptime monitoring, alerting, incident management, on-call, status pages, logs, and APM in one integrated suite.
7.5k stars445 forksApache-2.0last commit Actively maintained
#5
Self-hosted status page system with built-in monitoring, incident tracking, and customizable public status pages for websites and APIs.
5.1k stars294 forksMITlast commit Actively maintained
#6
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
#7
Self-hosted monitoring for servers, services, SSL, incidents and status pages; React frontend with a Go backend and embedded SQLite data store.
2.9k stars253 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 stars183 forksGPL-3.0last commit Slowing down
SmokePing is an active network monitoring tool that measures latency and packet loss over time, stores results in RRD, and visualizes them via a web UI with alerting.
2k stars216 forksGPL-2.0last commit Actively maintained
Self-hostable domain portfolio manager that auto-fetches DNS/WHOIS/SSL data, tracks changes, monitors uptime, and sends configurable renewal and security alerts.
1.5k stars116 forksMITlast commit Actively maintained
#11
Self-hosted infrastructure dashboard to inventory servers, organize app quick links, and track availability with built-in uptime history and notifications.
1.3k stars37 forksMITlast commit Slowing down
#12
Open-source, self-hosted uptime monitoring tool for websites, APIs, and infrastructure with notifications, public status pages, and multiple monitor types.
1.2k stars68 forksMITlast commit Actively maintained
#13
Notifiarr is a unified client that delivers configurable notifications, health checks, and automation for homelab apps like Plex and the *Arr stack via Discord.
928 stars43 forksMITlast commit Actively maintained
#14
Modern web UI for monitoring NUT-compatible UPS devices with real-time charts, historical reporting, and multi-channel alerts. Docker-ready with client/server modes.
833 stars33 forksMITlast commit Actively maintained
#15
Self-hosted monitoring tool for uptime, TCP/HTTP checks, Docker monitoring, multi-user dashboards, incident management, SSO and alerting integrations.
737 stars43 forkslast commit Actively maintained
#16
Self-hosted uptime and SSL monitoring with status pages, REST API, Prometheus and OpenTelemetry exporters, per-monitor notifications, and YAML-based configuration.
598 stars37 forksAGPL-3.0last commit Actively maintained
Self-hosted uptime and SSL monitoring with status pages, REST API, Prometheus/OpenTelemetry exporters, per-monitor notifications, and YAML config.
598 stars37 forksAGPL-3.0last commit Actively maintained
#18
Open-source event tracker that sends push notifications and real-time alerts, with webhook action buttons, PWA support, and a developer-friendly API and SDKs.
477 stars18 forksAGPL-3.0last commit Actively maintained
#19
Self-hosted Docker monitoring: real-time logs, per-container terminals, rules-based alerts and safe auto-remediation for developer teams.
299 stars16 forksApache-2.0last commit Actively maintained
#20
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
What replacing UptimeRobot actually involves
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. 17 of 20 shipped a commit in the last six months. Licences in this list: MIT, Apache-2.0, AGPL-3.0, GPL-3.0, GPL-2.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Monitoring & Observability.
