head to head · open source
Uptime Kuma vs Uptrace
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. Uptrace has 4,311 stars, 224 forks, 52 open issues and last shipped 12 days ago. Uptime Kuma leads on adoption by 2,062% (93,190 vs 4,311 stars). Uptime Kuma is written in JavaScript under MIT; Uptrace is written in Go under AGPL-3.0. Uptime Kuma has attracted 9% as many forks as stars, Uptrace 5%. Uptime Kuma was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (monitoring, self-hosted), 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 | Uptrace | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 4.3K |
| License | MIT | AGPL-3.0 |
| Written in | JavaScript | Go |
| Last push | 2026-11-02 | 2026-10-22 |
| Forks | ⑂ 8.7K | ⑂ 224 |
| 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 Uptrace if
- You want the Uptrace feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Go
- You evaluated both and Uptrace 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 Uptrace
Languages: English 简体中文 Open source APM: OpenTelemetry traces, metrics, and logs Uptrace is an open source APM that supports distributed tracing, metrics, and logs. You can use it to monitor applications and troubleshoot issues. Uptrace comes with an intuitive query builder, rich dashboards, alerting rules, notifications, and integrations for most languages and frameworks. Uptrace can process billions of spans and metrics on a single server and allows you to monitor your applications at 10x lower cost. Uptrace uses OpenTelemetry framework to collect data and ClickHouse database to store it. It also requires…
read the full Uptrace overview →
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Frequently asked questions
Is Uptime Kuma or Uptrace more popular?
Uptime Kuma has 93,190 GitHub stars and Uptrace has 4,311. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and Uptrace free?
Both are open source. Uptime Kuma is licensed under MIT and Uptrace under AGPL-3.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and Uptrace?
Uptime Kuma is written in JavaScript and Uptrace 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 Uptrace?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose Uptrace if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.