head to head · open source
Uptime Kuma vs nginx-lua-prometheus
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. nginx-lua-prometheus has 1,573 stars, 239 forks, 5 open issues and last shipped 2 months ago. Uptime Kuma leads on adoption by 5,824% (93,190 vs 1,573 stars). Uptime Kuma is written in JavaScript under MIT; nginx-lua-prometheus is written in Lua under MIT. Uptime Kuma has attracted 9% as many forks as stars, nginx-lua-prometheus 15%. 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.
← all 20902 open source comparisons
Side by side
| Uptime Kuma | nginx-lua-prometheus | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 1.6K |
| License | MIT | MIT |
| Written in | JavaScript | Lua |
| Last push | 2026-11-02 | 2026-09-11 |
| Forks | ⑂ 8.7K | ⑂ 239 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Uptime Kuma if
- You weight community size — 93K 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-lua-prometheus if
- You want the nginx-lua-prometheus feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Lua
- You evaluated both and nginx-lua-prometheus fits your workflow better
About Uptime Kuma
Uptime Kuma Uptime Kuma is an easy to use self hosted monitoring tool. 🥔 Live Demo Try it! Demo Server (Location: Frankfurt Germany): It is a temporary live demo, all data will be deleted after 10 minutes. Sponsored by Uptime Kuma Sponsors. ⭐ Features Monitoring uptime for HTTP(s) / TCP / HTTP(s) Keyword / HTTP(s) Json Query / Websocket / Ping / DNS Record / Push / Steam Game Server / Docker Containers Fancy, Reactive, Fast UI/UX Notifications via Telegram, Discord, Gotify, Slack, Pushover, Email (SMTP), and 90+ notification services, click here for the full list 20 second intervals Multi Languages Multiple…
read the full Uptime Kuma overview →
About nginx-lua-prometheus
Prometheus metric library for Nginx This is a Lua library that can be used with Nginx to keep track of metrics and expose them on a separate web page to be pulled by Prometheus. Installation To use this library, you will need the ngx lua nginx module. You can either use a lua enabled nginx based server like OpenResty, or a regular nginx server with the module enabled: for example, on Debian 10 you can simply install libnginx mod http lua (but please read the known issues if you use a later Debian version). The library file prometheus.lua needs to be available in LUA PATH . If this is the only Lua library you…
read the full nginx-lua-prometheus overview →
More in Infrastructure & Operations
Related comparisons
More Monitoring & Observability projects
Compare either of these against the rest of the Monitoring & Observability field.
Frequently asked questions
Is Uptime Kuma or nginx-lua-prometheus more popular?
Uptime Kuma has 93,190 GitHub stars and nginx-lua-prometheus has 1,573. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and nginx-lua-prometheus free?
Both are open source. Uptime Kuma is licensed under MIT and nginx-lua-prometheus under MIT. Neither carries a licence fee.
What is the difference between Uptime Kuma and nginx-lua-prometheus?
Uptime Kuma is written in JavaScript and nginx-lua-prometheus in Lua. 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-lua-prometheus?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose nginx-lua-prometheus if its feature set, stack or MIT licence fits better. Both are self-hostable.