head to head · open source
Uptime Kuma vs datadog-agent
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. datadog-agent has 3,772 stars, 1,525 forks, 721 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 2,371% (93,190 vs 3,772 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 | ★ 93K | ★ 3.8K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 8.7K | ⑂ 1.5K |
| 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 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 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 datadog-agent
Datadog Agent This repository contains the source code of the Datadog Agent version 7 and version 6. Please refer to the Agent user documentation for information about differences between Agent v5, Agent v6 and Agent v7. Additionally, we provide a list of prepackaged binaries for an easy install process here. Documentation The developer docs site contains information about how to develop the Datadog Agent itself. The source of the content is located under the docs directory and may contain pages that are not yet published. Contributing code You'll find information and help on how to contribute code to this…
read the full datadog-agent overview →
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Frequently asked questions
Is Uptime Kuma or datadog-agent more popular?
Uptime Kuma has 93,190 GitHub stars and datadog-agent has 3,772. 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 (93,190 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.