head to head · open source
Uptime Kuma vs subtrace
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. subtrace has 3,103 stars, 88 forks, 15 open issues and last shipped 9 months ago. Uptime Kuma leads on adoption by 2,903% (93,190 vs 3,103 stars). Uptime Kuma is written in JavaScript under MIT; subtrace is written in Go under BSD-3-Clause. Uptime Kuma has attracted 9% as many forks as stars, subtrace 3%. 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 | subtrace | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 3.1K |
| License | MIT | BSD-3-Clause |
| Written in | JavaScript | Go |
| Last push | 2026-11-02 | 2026-01-28 |
| Forks | ⑂ 8.7K | ⑂ 88 |
| 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 subtrace if
- You want the subtrace feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches Go
- You evaluated both and subtrace 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 subtrace
Subtrace Inspect HTTP requests in any server with just a single command. Linux macOS Currently in private beta. Join the waitlist if you primarily use macOS for development! Resources Docs Discord Guides Docker Docker Compose Kubernetes Quickstart
read the full subtrace overview →
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Frequently asked questions
Is Uptime Kuma or subtrace more popular?
Uptime Kuma has 93,190 GitHub stars and subtrace has 3,103. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and subtrace free?
Both are open source. Uptime Kuma is licensed under MIT and subtrace under BSD-3-Clause. Neither carries a licence fee.
What is the difference between Uptime Kuma and subtrace?
Uptime Kuma is written in JavaScript and subtrace in Go. 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 subtrace?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose subtrace if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.