head to head · open source
Uptime Kuma vs datadog-agent
Uptime Kuma has 91,477 GitHub stars, 8,426 forks, 805 open issues and last shipped yesterday. datadog-agent has 3,731 stars, 1,492 forks, 721 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 2,352% (91,477 vs 3,731 stars). Uptime Kuma is written in JavaScript under MIT; datadog-agent is written in Go under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, datadog-agent 40%. datadog-agent 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 | datadog-agent | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 3.7K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 8.4K | ⑂ 1.5K |
| 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 datadog-agent if
- You want the datadog-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 datadog-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 datadog-agent
The Datadog Agent repository is the main source repository for the Datadog Agent, which belongs to the Datadog observability ecosystem and is associated with monitoring, metrics, logging, distributed tracing, and profiling. The repository contains source code for Datadog Agent version 7 and version 6, and it points to Agent user documentation for differences among version 5, version 6, and version 7. It also links to prepackaged binaries and developer documentation.
read the full datadog-agent overview →
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Frequently asked questions
Is Uptime Kuma or datadog-agent more popular?
Uptime Kuma has 91,477 GitHub stars and datadog-agent has 3,731. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and datadog-agent free?
Both are open source. Uptime Kuma is licensed under MIT and datadog-agent under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and datadog-agent?
Uptime Kuma is written in JavaScript and datadog-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 datadog-agent?
Choose Uptime Kuma if you want the larger community (91,477 stars) or its MIT licence terms. Choose datadog-agent if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.