head to head · open source
Uptime Kuma vs Cloudlog
Uptime Kuma has 91,498 GitHub stars, 8,431 forks, 805 open issues and last shipped yesterday. Cloudlog has 575 stars, 208 forks, 3 open issues and last shipped 5 days ago. Uptime Kuma leads on adoption by 15,813% (91,498 vs 575 stars). Uptime Kuma is written in JavaScript under MIT; Cloudlog is written in PHP under MIT. Uptime Kuma has attracted 9% as many forks as stars, Cloudlog 36%. Uptime Kuma was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | Cloudlog | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 575 |
| License | MIT | MIT |
| Written in | JavaScript | PHP |
| Last push | 2026-09-18 | 2026-09-14 |
| Forks | ⑂ 8.4K | ⑂ 208 |
| 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 Cloudlog if
- You want the Cloudlog feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches PHP
- You evaluated both and Cloudlog 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 Cloudlog
Cloudlog is a self hosted, web based amateur radio logging application written in PHP and backed by MySQL, aimed at licensed amateur radio operators who want to record their contacts (QSOs) from any browser with an active internet connection instead of being tied to one machine.
read the full Cloudlog overview →
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Frequently asked questions
Is Uptime Kuma or Cloudlog more popular?
Uptime Kuma has 91,498 GitHub stars and Cloudlog has 575. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and Cloudlog free?
Both are open source. Uptime Kuma is licensed under MIT and Cloudlog under MIT. Neither carries a licence fee.
What is the difference between Uptime Kuma and Cloudlog?
Uptime Kuma is written in JavaScript and Cloudlog in PHP. 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 Cloudlog?
Choose Uptime Kuma if you want the larger community (91,498 stars) or its MIT licence terms. Choose Cloudlog if its feature set, stack or MIT licence fits better. Both are self-hostable.