Readers choosing an uptime monitor need to compare practical coverage, such as uptime checks, incident tracking, and status pages, with signs that a project is healthy and shipping. This October 2026 section uses the supplied ToolVitals entries and their ToolVitals, health, and shipping scores.
The ranking is limited to open/source-visible tools. Tools are ordered by ToolVitals score descending, with health and shipping used to break equal composite scores. GitHub stars are context only and do not determine rank.
Rankings
| Rank | Tool | Openness | License | Health | Shipping | GitHub Stars | Score | Status |
|---|---|---|---|---|---|---|---|---|
| 1 | Checkmate | OSI-approved OSS | AGPL-3.0 | 96 | 94 | 10921 | 95 | 🟢 Excellent |
| 2 | Uptime Kuma | OSI-approved OSS | MIT | 96 | 93 | 92268 | 94 | 🟢 Excellent |
| 3 | Kener | OSI-approved OSS | MIT | 95 | 92 | 5197 | 94 | 🟢 Excellent |
| 4 | Kuvasz | OSI-approved OSS | AGPL-3.0 | 92 | 90 | 637 | 92 | 🟢 Excellent |
| 5 | OpsKnight | OSI-approved OSS | AGPL-3.0 | 90 | 93 | 55 | 91 | 🟢 Excellent |
| 6 | OpenStatus | OSI-approved OSS | AGPL-3.0 | 92 | 87 | 9178 | 90 | 🟢 Excellent |
| 7 | Yet Another Status Page | OSI-approved OSS | MIT | 91 | 89 | 38 | 90 | 🟢 Excellent |
| 8 | Uptimekit | OSI-approved OSS | MIT | 91 | 86 | 128 | 89 | 🟢 Excellent |
| 9 | Maintenant | OSI-approved OSS | Apache-2.0 | 85 | 90 | 529 | 87 | 🟢 Excellent |
| 10 | ohstatus | OSI-approved OSS | GPL-2.0 | 85 | 84 | 1 | 85 | 🟢 Excellent |
| 11 | Warden | OSI-approved OSS | AGPL-3.0 | 84 | 87 | 5 | 85 | 🟢 Excellent |
| 12 | Arki Uptime | OSI-approved OSS | MIT | 84 | 86 | 0 | 85 | 🟢 Excellent |
| 13 | Telegai Status | OSI-approved OSS | MIT | 84 | 86 | 0 | 85 | 🟢 Excellent |
| 14 | Healthchecks | OSI-approved OSS | BSD-3-Clause | 83 | 84 | 10403 | 83 | 🟢 Excellent |
| 15 | Upptime | OSI-approved OSS | MIT | 82 | 84 | 17179 | 83 | 🟢 Excellent |
| 16 | Fettle | OSI-approved OSS | Apache-2.0 | 81 | 82 | 281 | 82 | 🟢 Excellent |
| 17 | Gatus | OSI-approved OSS | Apache-2.0 | 77 | 59 | 12273 | 70 | 🟢 Good |
| 18 | Harbour Space Status | OSI-approved OSS | MIT | 69 | 52 | 0 | 62 | 🟢 Good |
| 19 | Supercheck | OSI-approved OSS | AGPL-3.0 | 68 | 54 | 215 | 62 | 🟢 Good |
| 20 | Uptimer | OSI-approved OSS | MIT | 68 | 47 | 0 | 60 | 🟢 Good |
| 21 | STS | OSI-approved OSS | Apache-2.0 | 50 | 29 | 24 | 42 | 🟡 Fair |
| 22 | Upstat | OSI-approved OSS | MIT | 46 | 28 | 200 | 39 | 🔴 Needs Attention |
| 23 | Pongo | OSI-approved OSS | MIT | 46 | 25 | 31 | 38 | 🔴 Needs Attention |
| 24 | PongHub | OSI-approved OSS | MIT | 38 | 15 | 225 | 29 | 🔴 Needs Attention |
| 25 | bitwobbly | OSI-approved OSS | Apache-2.0 | 33 | 13 | 3 | 25 | 🔴 Needs Attention |
| 26 | CheckCle | OSI-approved OSS | MIT | 32 | 14 | 3306 | 25 | 🔴 Needs Attention |
| 27 | UptimeMonitor Server | OSI-approved OSS | GPL-3.0 | 37 | 4 | 68 | 24 | 🔴 Needs Attention |
| 28 | CState | OSI-approved OSS | MIT | 26 | 0 | 2897 | 15 | 🔴 Needs Attention |
| 29 | Lunalytics | OSI-approved OSS | AGPL-3.0 | 23 | 3 | 738 | 15 | 🔴 Needs Attention |
| 30 | Uni Status | OSI-approved OSS | AGPL-3.0 | 19 | 3 | 4 | 12 | 🔴 Needs Attention |
| 31 | Stremio Status | OSI-approved OSS | GPL-3.0 | 16 | 2 | 95 | 11 | 🔴 Needs Attention |
| 32 | Peekaping | OSI-approved OSS | MIT | 14 | 2 | 1203 | 9 | 🔴 Needs Attention |
| 33 | Status Page Aggregator | OSI-approved OSS | MIT | 14 | 0 | 21 | 8 | 🔴 Needs Attention |
| 34 | ClearStatus | OSI-approved OSS | Apache-2.0 | 12 | 0 | 1 | 7 | 🔴 Needs Attention |
| 35 | Reachable | OSI-approved OSS | AGPL-3.0 | 10 | 2 | 3 | 7 | 🔴 Needs Attention |
| 36 | Aether Status | OSI-approved OSS | Apache-2.0 | 11 | 0 | 0 | 6 | 🔴 Needs Attention |
| 37 | Model Status | OSI-approved OSS | MIT | 9 | 0 | 44 | 5 | 🔴 Needs Attention |
| 38 | Uptimed | OSI-approved OSS | MIT | 8 | 0 | 1 | 5 | 🔴 Needs Attention |
| 39 | Statusphere | OSI-approved OSS | MIT | 7 | 0 | 72 | 4 | 🔴 Needs Attention |
| 40 | server-status | OSI-approved OSS | Apache-2.0 | 6 | 0 | 407 | 4 | 🔴 Needs Attention |
| 41 | Cloudflare Workers Status Page | OSI-approved OSS | MIT | 0 | 0 | 2806 | 0 | 🔴 Needs Attention |
| 42 | Statping | OSI-approved OSS | GPL-3.0 | 0 | 0 | 7291 | 0 | 🔴 Needs Attention |
| 43 | Status Page | OSI-approved OSS | Apache-2.0 | 0 | 0 | 73 | 0 | 🔴 Needs Attention |
| 44 | StatusNook | OSI-approved OSS | MIT | 0 | 0 | 988 | 0 | 🔴 Needs Attention |
Top 3 Highlights
Checkmate ranks first with a ToolVitals score of 95, a health score of 96, and a shipping score of 94. Its supplied description presents it as a self-hosted tool for monitoring server hardware, uptime, response times, and incidents in real time, with visualizations. Its openness label is OSI-approved OSS and its license label is AGPL-3.0.
Uptime Kuma ranks second with a ToolVitals score of 94, a health score of 96, and a shipping score of 93. Its supplied description is concise: it is a self-hosted monitoring tool. Its openness label is OSI-approved OSS and its license label is MIT.
Kener ranks third with a ToolVitals score of 94, a health score of 95, and a shipping score of 92. It shares Uptime Kuma’s ToolVitals score but has lower health and shipping scores, matching the supplied ordering. Its description focuses on status pages and included functionality. Its openness label is OSI-approved OSS and its license label is MIT.
Want to see the full health, license, shipping, and confidence details for every tool in Uptime Monitoring? Browse all Uptime Monitoring Tools →