Best Uptime Monitoring tools by public signals

These picks are computed from scored public evidence. Use the openness column in the ranking to separate OSI-approved, source-available, open-core, proprietary, and unverified-license tools.

Use Case Rankings

Ordered by ToolVitals score, health, shipping, confidence, and then adoption as a tie-breaker.

# Tool Health Shipping Openness Stars Score Status
01 Uptime Kuma
A fancy self-hosted monitoring tool
94 83 OSI-approved OSS 87.9k 92 Active
02 Uptimekit
Admin dashboard and public status pages.
87 95 OSI-approved OSS 72 91 Active
03 Checkmate
Checkmate is an open-source, self-hosted tool designed to track and monitor server hardware, uptime, response times, and incidents in real-time with beautiful visualizations. Don't be shy, join here: https://discord.com/invite/NAb6H3UTjK :)
84 84 OSI-approved OSS 10k 87 Active
04 Healthchecks
Open-source cron job and background task monitoring service, written in Python & Django
80 61 OSI-approved OSS 10.1k 78 Active
05 Uni Status
Open-source uptime monitoring and status page platform.
77 40 OSI-approved OSS 4 69 Warning
06 Arki Uptime
Uptime monitor and status page powered by Upptime.
62 63 OSI-approved OSS 0 68 Warning
07 Telegai Status
Uptime monitor and status page powered by Upptime.
62 63 OSI-approved OSS 0 68 Warning
08 Tribefamily Status
Uptime monitor and status page powered by Upptime.
62 63 License unknown 0 68 Warning
09 StackPatrol
Single-binary server monitor that alerts on infrastructure failures.
56 61 OSI-approved OSS 1 68 Warning
10 Service Status Monitor
Automatically monitors external SaaS service status pages and alerts on incidents.
59 63 License unknown 0 67 Warning
11 Fettle
Beautiful GitHub-powered status page for real-time updates and incident management.
59 63 OSI-approved OSS 277 66 Warning
12 globalping
A global network of probes to run network tests like ping, traceroute and DNS resolve
68 34 License unknown 541 64 Warning
13 Status Health Monitor
Private monitoring platform for tracking uptime and performance of websites and apps.
54 63 License unknown 1 64 Warning
14 Unstatus
Open-source status page and uptime monitoring platform.
62 45 License unknown 14 63 Warning
15 OpsKnight
Open-source platform for on-call management, incident response, and status pages.
64 31 OSI-approved OSS 15 62 Warning
16 UptimeMonitor Server
Enterprise-grade uptime monitoring system.
63 34 OSI-approved OSS 63 62 Warning
17 Reachable
Status pages and uptime monitoring built for the AI era.
54 51 OSI-approved OSS 3 62 Warning
18 Warden
Open-source uptime monitoring built in Go.
58 36 OSI-approved OSS 3 61 Warning
19 Supercheck
Testing, monitoring, and reliability tooling as code.
51 49 License unknown 204 61 Warning
20 Uptimer
Serverless uptime monitoring and status page on Cloudflare edge.
65 35 OSI-approved OSS 466 60 Warning
21 Status Page Aggregator
Aggregates status from infra, API, and vendor status pages into a unified feed for production monitoring.
62 25 OSI-approved OSS 21 58 Warning
22 Harbour Space Status
Public status page for Harbour.Space services.
51 44 OSI-approved OSS 0 58 Warning
23 Upstat
Open-source self-hosted status monitoring tool.
62 21 OSI-approved OSS 199 56 Warning
24 PongHub
Free endpoint monitoring with one-click deployment.
62 7 OSI-approved OSS 227 50 Warning
25 Better i18n Status
Open-source status page for Better i18n.
54 14 License unknown 3 50 Warning
26 Model Status
Model status monitoring dashboard for OpenAI-compatible APIs.
46 17 OSI-approved OSS 43 47 Critical
27 Astro Status Page
Open-source Astro status page.
56 0 License unknown 75 46 Warning
28 status.githack.com
Effortless, open-source status pages for sites and APIs with GitHub Actions integration.
49 7 License unknown 4 45 Critical
29 pingr
Open-source uptime monitoring and public status pages. Go, React, PostgreSQL. Hexagonal architecture.
41 17 License unknown 1 45 Critical
30 Stremio Status
Unified addon, status page, and health metrics for Stremio services.
44 10 OSI-approved OSS 59 44 Critical
31 STS
A fully open-source status page with Gatus backend and Payload CMS
46 14 OSI-approved OSS 24 43 Critical
32 Pongo
Self-hosted uptime monitoring and status pages configured entirely in TypeScript.
35 13 OSI-approved OSS 30 43 Critical
33 ClearStatus
Open source status pages.
44 0 OSI-approved OSS 1 40 Critical
34 Aether Status
Open-source status and monitoring platform for modern infrastructure.
41 0 OSI-approved OSS 0 39 Critical
35 Statping
Self-hosted status page and uptime monitoring application.
36 0 OSI-approved OSS 7.3k 34 Critical
36 StatusNook
Open-source status page and uptime monitoring tool.
28 0 OSI-approved OSS 973 34 Critical
37 Squzy
Open-source monitoring, incident, and alerting system for service reliability.
30 0 OSI-approved OSS 480 31 Critical
38 Status Page
Open-source status page software.
27 0 OSI-approved OSS 74 31 Critical
39 Cloudflare Workers Status Page
Status page generator with notifications and history.
19 0 OSI-approved OSS 2.8k 30 Critical
40 homelab_status_page
Fool-proof status page for homelabs.
6 0 License unknown 397 21 Critical
41 StatusPage
Open source status page with incident management and auto notifications.
5 0 License unknown 8 21 Critical
42 UptimePulse
Open-source uptime monitoring platform with alerts and status pages.
0 0 License unknown 0 19 Critical

Evidence Watch

Tracked tools with useful public signals but no verdict score yet.