Choosing Uptime Monitoring Tools is mostly a reliability tradeoff: you want status pages, alerts, and incident visibility without adopting a project that has gone quiet. The July 2026 ToolVitals dataset compares open/source-visible uptime monitoring and status page tools using health score, shipping score, GitHub stars, license, openness, pricing scope, and an overall ToolVitals score.

The ranking is limited to open/source-visible tools and sorted by ToolVitals score first, with GitHub stars used only as a secondary popularity signal when scores are tied. License and openness are treated conservatively: labels such as OSI-approved OSS and license values such as MIT, AGPL-3.0, BSD-3-Clause, GPL-2.0, GPL-3.0, and Apache-2.0 are reported as supplied.

Rankings

RankToolOpennessLicenseHealthShippingGitHub StarsScoreStatus
1UptimekitOSI-approved OSSMIT87957391🟢 Excellent
2Uptime KumaOSI-approved OSSMIT91818900090🟢 Excellent
3CheckmateOSI-approved OSSAGPL-3.087901016990🟢 Excellent
4MaintenantOSI-approved OSSAGPL-3.0819338290🟢 Excellent
5KuvaszOSI-approved OSSAGPL-3.0837556884🟢 Excellent
6KenerOSI-approved OSSMIT8076504283🟢 Excellent
7HealthchecksOSI-approved OSSBSD-3-Clause77641015278🟢 Good
8Yet Another Status PageOSI-approved OSSMIT63532568🟢 Good
9ohstatusOSI-approved OSSGPL-2.06263168🟢 Good
10Arki UptimeOSI-approved OSSMIT6263068🟢 Good
11Harbour Space StatusOSI-approved OSSMIT5961067🟢 Good
12Telegai StatusOSI-approved OSSMIT5963067🟢 Good
13FettleOSI-approved OSSApache-2.05963066🟢 Good
14UptimerOSI-approved OSSMIT654247563🟢 Good
15StackPatrolOSI-approved OSSMIT5446163🟢 Good
16Uni StatusOSI-approved OSSAGPL-3.06230460🟢 Good
17UptimeMonitor ServerOSI-approved OSSGPL-3.053246455🟡 Fair
18OpsKnightOSI-approved OSSApache-2.060131954🟡 Fair
19LunalyticsOSI-approved OSSAGPL-3.04920052🟡 Fair
20STSOSI-approved OSSApache-2.05432052🟡 Fair
21Stremio StatusOSI-approved OSSGPL-3.051166551🟡 Fair
22SquzyOSI-approved OSSBSD-3-Clause62047950🟡 Fair
23bitwobblyOSI-approved OSSApache-2.04924350🟡 Fair
24Status Page AggregatorOSI-approved OSSMIT44182149🟡 Fair
25CStateOSI-approved OSSMIT567048🟡 Fair
26PongHubOSI-approved OSSMIT590047🟡 Fair
27UpstatOSI-approved OSSMIT497046🟡 Fair
28PeekapingOSI-approved OSSMIT4410045🟡 Fair
29Model StatusOSI-approved OSSMIT38174342🟡 Fair
30PongoOSI-approved OSSMIT3743041🟡 Fair
31WardenOSI-approved OSSAGPL-3.0404341🟡 Fair
32StatusphereOSI-approved OSSMIT390040🟡 Fair
33ReachableOSI-approved OSSAGPL-3.02923339🔴 Needs Attention
34Aether StatusOSI-approved OSSApache-2.0410039🔴 Needs Attention
35ClearStatusOSI-approved OSSApache-2.0410138🔴 Needs Attention
36StatusNookOSI-approved OSSMIT330036🔴 Needs Attention
37StatpingOSI-approved OSSGPL-3.0360729034🔴 Needs Attention
38Status PageOSI-approved OSSApache-2.0270031🔴 Needs Attention
39Cloudflare Workers Status PageOSI-approved OSSMIT190030🔴 Needs Attention

Top 3 Highlights

Uptimekit ranks first with a ToolVitals score of 91, the highest in the July 2026 set. Its strongest signal is shipping score at 95, paired with an 87 health score. It has 73 GitHub stars, so this is not a popularity-led result; it leads because the ToolVitals scoring favors current project health and shipping activity. The supplied openness_label is OSI-approved OSS and the license_label is MIT.

Uptime Kuma ranks second with a ToolVitals score of 90 and by far the largest GitHub audience in the list at 89,000 stars. Its 91 health score is the highest among the top-ranked tools, while its 81 shipping score is lower than Uptimekit, Checkmate, and Maintenant. For teams that value broad community adoption alongside strong project health, it is the clearest high-popularity option. The supplied openness_label is OSI-approved OSS and the license_label is MIT.

Checkmate ranks third with a ToolVitals score of 90, tied with Uptime Kuma and Maintenant before the GitHub-star tie-breaker is applied. It combines an 87 health score with a 90 shipping score and has 10,169 GitHub stars. Its description covers server hardware, uptime, response times, incidents, and visualizations, making it broader than a simple status page entry. The supplied openness_label is OSI-approved OSS and the license_label is AGPL-3.0.

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