head to head · open source
Uptime Kuma vs debug
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. debug has 11,456 stars, 997 forks, 96 open issues and last shipped 20 days ago. Uptime Kuma leads on adoption by 713% (93,190 vs 11,456 stars). Uptime Kuma is written in JavaScript under MIT; debug is written in JavaScript under MIT. Uptime Kuma has attracted 9% as many forks as stars, debug 9%. Uptime Kuma was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | debug | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 11K |
| License | MIT | MIT |
| Written in | JavaScript | JavaScript |
| Last push | 2026-11-02 | 2026-10-14 |
| Forks | ⑂ 8.7K | ⑂ 997 |
| 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 debug if
- You want the debug feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and debug 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 debug
debug A tiny JavaScript debugging utility modelled after Node.js core's debugging technique. Works in Node.js and web browsers. Installation Usage debug exposes a function; simply pass this function the name of your module, and it will return a decorated version of console.error for you to pass debug statements to. This will allow you to toggle the debug output for different parts of your module as well as the module as a whole. Example app.js : Example worker.js : The DEBUG environment variable is then used to enable these based on space or comma delimited names. Here are some examples: Windows command prompt…
read the full debug overview →
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Frequently asked questions
Is Uptime Kuma or debug more popular?
Uptime Kuma has 93,190 GitHub stars and debug has 11,456. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and debug free?
Both are open source. Uptime Kuma is licensed under MIT and debug under MIT. Neither carries a licence fee.
What is the difference between Uptime Kuma and debug?
Uptime Kuma is written in JavaScript and debug 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 debug?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose debug if its feature set, stack or MIT licence fits better. Both are self-hostable.