head to head · open source
Uptime Kuma vs zabbix-docker
Uptime Kuma has 91,498 GitHub stars, 8,431 forks, 805 open issues and last shipped yesterday. zabbix-docker has 2,840 stars, 1,446 forks, 7 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 3,122% (91,498 vs 2,840 stars). Uptime Kuma is written in JavaScript under MIT; zabbix-docker is written in Dockerfile under AGPL-3.0. Uptime Kuma has attracted 9% as many forks as stars, zabbix-docker 51%. zabbix-docker was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (docker, 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 | zabbix-docker | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 2.8K |
| License | MIT | AGPL-3.0 |
| Written in | JavaScript | Dockerfile |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 8.4K | ⑂ 1.4K |
| 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 zabbix-docker if
- You want the zabbix-docker feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Dockerfile
- You evaluated both and zabbix-docker 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 zabbix-docker
zabbix docker is the official repository of Zabbix Dockerfiles that builds the zabbix/ images published to Docker Hub, for operators, SREs, and platform teams that deploy the Zabbix enterprise class open source distributed monitoring solution in containers.
read the full zabbix-docker overview →
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Frequently asked questions
Is Uptime Kuma or zabbix-docker more popular?
Uptime Kuma has 91,498 GitHub stars and zabbix-docker has 2,840. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and zabbix-docker free?
Both are open source. Uptime Kuma is licensed under MIT and zabbix-docker under AGPL-3.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and zabbix-docker?
Uptime Kuma is written in JavaScript and zabbix-docker in Dockerfile. 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 zabbix-docker?
Choose Uptime Kuma if you want the larger community (91,498 stars) or its MIT licence terms. Choose zabbix-docker if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.