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
14 self-hosted Oh Dear alternatives
SaaS website monitoring service that checks uptime, SSL/TLS certificate validity, broken links, scheduled tasks (cron), DNS/domain health and other site checks, and delivers alerts via email, SMS, Slack and various integrations.
Alternatives to Oh Dear
#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
#4
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
#5
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 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-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
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
#10
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
#11
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
#13
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
#14
Open-source error tracking, performance monitoring and uptime checks compatible with Sentry SDKs; available self-hosted or as a hosted SaaS.
Activity unknown
What replacing Oh Dear 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. 10 of 14 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.
