head to head · open source
Uptime Kuma vs Gatus
Uptime Kuma has 91,477 GitHub stars, 8,426 forks, 805 open issues and last shipped yesterday. Gatus has 12,095 stars, 828 forks, 382 open issues and last shipped 10 days ago. Uptime Kuma leads on adoption by 656% (91,477 vs 12,095 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 | ★ 91K | ★ 12K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Go |
| Last push | 2026-09-17 | 2026-09-08 |
| Forks | ⑂ 8.4K | ⑂ 828 |
| 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 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 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 Gatus
Gatus is an open source health dashboard and status page for monitoring services in real time. It is written in Go, licensed under Apache 2.0, and appears in the Infrastructure & Operations / Monitoring & Observability category. The project presents a developer oriented interface for checking whether services are reachable and behaving as expected.
read the full Gatus overview →
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Frequently asked questions
Is Uptime Kuma or Gatus more popular?
Uptime Kuma has 91,477 GitHub stars and Gatus has 12,095. 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 (91,477 stars) or its MIT licence terms. Choose Gatus if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.