head to head · open source
Uptime Kuma vs express-status-monitor
Uptime Kuma has 91,498 GitHub stars, 8,431 forks, 805 open issues and last shipped today. express-status-monitor has 3,615 stars, 264 forks, 68 open issues and last shipped 7 months ago. Uptime Kuma leads on adoption by 2,431% (91,498 vs 3,615 stars). Uptime Kuma is written in JavaScript under MIT; express-status-monitor is written in JavaScript under MIT. Uptime Kuma has attracted 9% as many forks as stars, express-status-monitor 7%. Uptime Kuma was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (monitoring), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Uptime Kuma | express-status-monitor | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 3.6K |
| License | MIT | MIT |
| Written in | JavaScript | JavaScript |
| Last push | 2026-09-18 | 2026-02-16 |
| Forks | ⑂ 8.4K | ⑂ 264 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Uptime Kuma if
- You weight community size — 91K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick express-status-monitor if
- You want the express-status-monitor feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and express-status-monitor fits your workflow better
About Uptime Kuma
Uptime Kuma is a free, MIT licensed, self hosted monitoring tool with a reactive web dashboard, built for operators and teams that want to watch their own HTTP, TCP, and DNS endpoints and keep the resulting data on their own infrastructure.
read the full Uptime Kuma overview →
About express-status-monitor
express status monitor Simple, self hosted module based on Socket.io and Chart.js to report realtime server metrics for Express based node servers. Demo Demo available here Support for other Node.js frameworks koa monitor for Koa hapijs status monitor for hapi.js Installation & setup 1. Run npm install express status monitor save 2. Before any other middleware or router add following line: app.use(require('express status monitor')()); 3. Run server and go to /status Note: This plugin works on Node versions 4.x Run examples 1. Go to cd examples/ 2. Run npm i 3. Run server npm start 4. Go to Options Monitor can be …
read the full express-status-monitor overview →
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Frequently asked questions
Is Uptime Kuma or express-status-monitor more popular?
Uptime Kuma has 91,498 GitHub stars and express-status-monitor has 3,615. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and express-status-monitor free?
Both are open source. Uptime Kuma is licensed under MIT and express-status-monitor under MIT. Neither carries a licence fee.
What is the difference between Uptime Kuma and express-status-monitor?
Uptime Kuma is written in JavaScript and express-status-monitor in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Uptime Kuma or express-status-monitor?
Choose Uptime Kuma if you want the larger community (91,498 stars) or its MIT licence terms. Choose express-status-monitor if its feature set, stack or MIT licence fits better. Both are self-hostable.