head to head · open source
Uptime Kuma vs Gatus
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. Gatus has 12,481 stars, 885 forks, 382 open issues and last shipped 5 days ago. Uptime Kuma leads on adoption by 647% (93,190 vs 12,481 stars). Uptime Kuma is written in JavaScript under MIT; Gatus is written in Go under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, Gatus 7%. Uptime Kuma was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (docker, monitor, 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 | Gatus | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 12K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Go |
| Last push | 2026-11-02 | 2026-10-29 |
| Forks | ⑂ 8.7K | ⑂ 885 |
| 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 Gatus if
- You want the Gatus 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 Gatus 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 Gatus
Gatus is a developer oriented health dashboard that gives you the ability to monitor your services using HTTP, ICMP, TCP, and even DNS queries as well as evaluate the result of said queries by using a list of conditions on values like the status code, the response time, the certificate expiration, the body and many others. The icing on top is that each of these health checks can be paired with alerting via Slack, Teams, PagerDuty, Discord, Twilio and many more. I personally deploy it in my Kubernetes cluster and let it monitor the status of my core applications: Looking for a managed solution? Check out…
read the full Gatus overview →
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Frequently asked questions
Is Uptime Kuma or Gatus more popular?
Uptime Kuma has 93,190 GitHub stars and Gatus has 12,481. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and Gatus free?
Both are open source. Uptime Kuma is licensed under MIT and Gatus under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and Gatus?
Uptime Kuma is written in JavaScript and Gatus 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 Gatus?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose Gatus if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.