head to head · open source
Uptime Kuma vs wgcloud
Uptime Kuma has 91,498 GitHub stars, 8,431 forks, 805 open issues and last shipped today. wgcloud has 5,183 stars, 910 forks, 34 open issues and last shipped 14 days ago. Uptime Kuma leads on adoption by 1,665% (91,498 vs 5,183 stars). Uptime Kuma is written in JavaScript under MIT; wgcloud is written in Java under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, wgcloud 18%. Uptime Kuma 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 | wgcloud | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 5.2K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Java |
| Last push | 2026-09-18 | 2026-09-04 |
| Forks | ⑂ 8.4K | ⑂ 910 |
| 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 wgcloud if
- You want the wgcloud feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and wgcloud 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 wgcloud
WGCLOUD is an open source, Java based distributed monitoring system for Linux and mixed OS server fleets, aimed at operations teams that want host, service, container, network and middleware monitoring from one server plus agent deployment instead of assembling several tools.
read the full wgcloud overview →
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Frequently asked questions
Is Uptime Kuma or wgcloud more popular?
Uptime Kuma has 91,498 GitHub stars and wgcloud has 5,183. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and wgcloud free?
Both are open source. Uptime Kuma is licensed under MIT and wgcloud under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and wgcloud?
Uptime Kuma is written in JavaScript and wgcloud in Java. 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 wgcloud?
Choose Uptime Kuma if you want the larger community (91,498 stars) or its MIT licence terms. Choose wgcloud if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.