head to head · open source
Uptime Kuma vs nginx-module-vts
Uptime Kuma has 91,498 GitHub stars, 8,431 forks, 805 open issues and last shipped yesterday. nginx-module-vts has 3,503 stars, 489 forks, 11 open issues and last shipped 7 days ago. Uptime Kuma leads on adoption by 2,512% (91,498 vs 3,503 stars). Uptime Kuma is written in JavaScript under MIT; nginx-module-vts is written in C under BSD-2-Clause. Uptime Kuma has attracted 9% as many forks as stars, nginx-module-vts 14%. 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 | nginx-module-vts | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 3.5K |
| License | MIT | BSD-2-Clause |
| Written in | JavaScript | C |
| Last push | 2026-09-18 | 2026-09-12 |
| Forks | ⑂ 8.4K | ⑂ 489 |
| 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 nginx-module-vts if
- You want the nginx-module-vts feature set and don't need the biggest community
- You prefer the BSD-2-Clause license terms
- Your stack matches C
- You evaluated both and nginx-module-vts 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 nginx-module-vts
nginx module vts is an open source Nginx module that tracks and exposes per virtual host traffic statistics — request counts, response codes, and traffic totals — as JSON or HTML, built for Nginx operators who need visibility into vhost traffic without running a separate metrics agent.
read the full nginx-module-vts overview →
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Frequently asked questions
Is Uptime Kuma or nginx-module-vts more popular?
Uptime Kuma has 91,498 GitHub stars and nginx-module-vts has 3,503. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and nginx-module-vts free?
Both are open source. Uptime Kuma is licensed under MIT and nginx-module-vts under BSD-2-Clause. Neither carries a licence fee.
What is the difference between Uptime Kuma and nginx-module-vts?
Uptime Kuma is written in JavaScript and nginx-module-vts in C. 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 nginx-module-vts?
Choose Uptime Kuma if you want the larger community (91,498 stars) or its MIT licence terms. Choose nginx-module-vts if its feature set, stack or BSD-2-Clause licence fits better. Both are self-hostable.