head to head · open source
Uptime Kuma vs agent
Uptime Kuma has 91,498 GitHub stars, 8,431 forks, 805 open issues and last shipped yesterday. agent has 1,743 stars, 511 forks, 93 open issues and last shipped 2 months ago. Uptime Kuma leads on adoption by 5,149% (91,498 vs 1,743 stars). Uptime Kuma is written in JavaScript under MIT; agent is written in Go under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, agent 29%. 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 | agent | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 1.7K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Go |
| Last push | 2026-09-18 | 2026-07-27 |
| Forks | ⑂ 8.4K | ⑂ 511 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Uptime Kuma if
- You weight community size — 91K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick agent if
- You want the agent 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 agent fits your workflow better
About Uptime Kuma
Uptime Kuma is a free, MIT licensed, self hosted monitoring tool with a reactive web dashboard, built for operators and teams that want to watch their own HTTP, TCP, and DNS endpoints and keep the resulting data on their own infrastructure.
read the full Uptime Kuma overview →
About agent
Grafana Agent is a vendor neutral, OpenTelemetry Collector distribution that wires programmable components into pipelines for collecting, transforming, and shipping metrics, logs, traces, and continuous profiles, aimed at platform and observability engineers who route telemetry across the Prometheus, OpenTelemetry, and Grafana open source ecosystems.
read the full agent overview →
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Frequently asked questions
Is Uptime Kuma or agent more popular?
Uptime Kuma has 91,498 GitHub stars and agent has 1,743. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and agent free?
Both are open source. Uptime Kuma is licensed under MIT and agent under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and agent?
Uptime Kuma is written in JavaScript and agent 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 agent?
Choose Uptime Kuma if you want the larger community (91,498 stars) or its MIT licence terms. Choose agent if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.