head to head · open source
Uptime Kuma vs opentelemetry-collector
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. opentelemetry-collector has 7,729 stars, 2,327 forks, 696 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 1,106% (93,190 vs 7,729 stars). Uptime Kuma is written in JavaScript under MIT; opentelemetry-collector is written in Go under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, opentelemetry-collector 30%. opentelemetry-collector 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 | opentelemetry-collector | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 7.7K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 8.7K | ⑂ 2.3K |
| 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 opentelemetry-collector if
- You want the opentelemetry-collector feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and opentelemetry-collector 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 opentelemetry-collector
Getting Started • Getting Involved • Getting In Touch Vision • Configuration • Monitoring • Security • Package OpenTelemetry Collector The OpenTelemetry Collector offers a vendor agnostic implementation on how to receive, process and export telemetry data. In addition, it removes the need to run, operate and maintain multiple agents/collectors in order to support open source telemetry data formats (e.g. Jaeger, Prometheus, etc.) to multiple open source or commercial back ends. Objectives: Usable: Reasonable default configuration, supports popular protocols, runs and collects out of…
read the full opentelemetry-collector overview →
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Frequently asked questions
Is Uptime Kuma or opentelemetry-collector more popular?
Uptime Kuma has 93,190 GitHub stars and opentelemetry-collector has 7,729. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and opentelemetry-collector free?
Both are open source. Uptime Kuma is licensed under MIT and opentelemetry-collector under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and opentelemetry-collector?
Uptime Kuma is written in JavaScript and opentelemetry-collector 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 opentelemetry-collector?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose opentelemetry-collector if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.