Open Source Uptime Monitoring Tools
A curated collection of the best open source tools for checking the availability and response time of services..
Self-hosted uptime monitoring with a clean dashboard
Stars
93,785Last commit
8 hours agoLicense
MIT
Monitors websites, APIs, and services with real-time alerts, a status page, and support for dozens of notification channels. Self-hosted and Docker-friendly.
Open Source Alternative to:
Professional status page system for transparent downtime communication
Stars
15,265Last commit
3 days agoLicense
Unknown
Open-source status page platform that helps organizations communicate system status and incidents effectively with customizable components and metrics tracking
Open Source Alternative to:
Beautiful open-source monitoring for modern infrastructure
Stars
11,051Last commit
6 hours agoLicense
AGPL-3.0
Monitor servers, websites, Docker containers, and infrastructure with real-time insights, instant alerts, and powerful analytics. Self-hosted solution.
Open Source Alternative to:
Advanced automated status page for real-time monitoring
Stars
Stars growing over the last 30 days12,761Last commit
2 days agoLicense
Apache-2.0
A highly customizable monitoring solution that provides automated status pages, extensive alerting options, and detailed testing capabilities for your services and infrastructure
Open Source Alternative to:
Status page and uptime monitoring for growing teams
Stars
9,264Last commit
6 hours agoLicense
AGPL-3.0
Open-source status page and uptime monitor that tracks endpoints from 28 global regions, communicates incidents, and helps satisfy SOC 2 audit requirements.
Open Source Alternative to:
Get alerted when cron jobs and scheduled tasks miss their run
Stars
10,516Last commit
10 hours agoLicense
BSD-3-Clause
Monitors cron jobs, background workers, and scheduled tasks by expecting periodic HTTP pings and alerting you when they stop arriving on time.
Open Source Alternative to:
Comprehensive monitoring and incident management platform
Stars
7,819Last commit
5 hours agoLicense
Apache-2.0
All-in-one solution for uptime monitoring, incident management, and status pages to keep your services running smoothly
Open Source Alternative to:
Deploy a professional status page in minutes, no coding required
Stars
5,245Last commit
5 days agoLicense
MIT
Free, open-source status page and uptime monitor with Docker deployment. Track 11 service types, manage incidents, schedule maintenance, and notify subscribers instantly.
Open Source Alternative to:
Website analytics, uptime monitoring, and server status in one
Stars
3,119Last commit
6 hours agoLicense
Apache-2.0
Self-hostable platform combining website analytics, uptime monitoring, server status, Docker tracking, status pages, and telemetry for indie developers and small teams.
Open Source Alternative to:
Self-hosted uptime monitoring you own and control
Stars
1,220Last commit
5 days agoLicense
MIT
Open-source uptime monitoring solution with real-time alerts, status pages, and comprehensive checks for websites, APIs, databases, and services.
Open Source Alternative to:
Error tracking, performance, and uptime in one place
Stars
170Last commit
10 days agoLicense
MIT
Self-hostable error tracking platform compatible with Sentry SDKs. Tracks exceptions, monitors performance, checks uptime, and collects logs without the Sentry price tag.
Open Source Alternative to:
Self-hosted uptime monitoring that runs on your hardware, not their servers
Stars
87Last commit
17 days agoLicense
MIT
Deploy your own uptime and performance monitoring with HTTP/ICMP checks, multi-region probes, and custom status pages. MIT licensed, runs on minimal hardware.
Open Source Alternative to:
Monitors websites and APIs, pages on-call, and publishes a status page
Stars
55Last commit
8 hours agoLicense
AGPL-3.0
Hosted uptime monitoring with multi-region checks, eight monitor types, on-call rotations, escalation policies, and public status pages for SaaS teams and agencies.
Open Source Alternative to:
Complete website health monitoring and security scanning
Stars
16Last commit
6 months agoLicense
Unknown
Monitor website uptime, detect security vulnerabilities, find broken links, and simulate user flows. Get instant alerts when issues arise. Free tier available.
Open Source Alternative to:
Highseat – Cookieless analytics with revenue by source.
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Stellar Hosted