head to head · open source
Uptime Kuma vs monolog
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. monolog has 21,404 stars, 1,921 forks, 3 open issues and last shipped 2 days ago. Uptime Kuma leads on adoption by 335% (93,190 vs 21,404 stars). Uptime Kuma is written in JavaScript under MIT; monolog is written in PHP under MIT. Uptime Kuma has attracted 9% as many forks as stars, monolog 9%. 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 | monolog | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 21K |
| License | MIT | MIT |
| Written in | JavaScript | PHP |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 8.7K | ⑂ 1.9K |
| 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 monolog if
- You want the monolog feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches PHP
- You evaluated both and monolog 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 monolog
Monolog Logging for PHP Note This is the documentation for Monolog 3.x , if you are using older releases see the documentation for Monolog 2.x or Monolog 1.x Monolog sends your logs to files, sockets, inboxes, databases and various web services. See the complete list of handlers below. Special handlers allow you to build advanced logging strategies. This library implements the PSR 3 interface that you can type hint against in your own libraries to keep a maximum of interoperability. You can also use it in your applications to make sure you can always use another compatible logger at a later time. As of 1.11.0…
read the full monolog overview →
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Frequently asked questions
Is Uptime Kuma or monolog more popular?
Uptime Kuma has 93,190 GitHub stars and monolog has 21,404. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and monolog free?
Both are open source. Uptime Kuma is licensed under MIT and monolog under MIT. Neither carries a licence fee.
What is the difference between Uptime Kuma and monolog?
Uptime Kuma is written in JavaScript and monolog 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 monolog?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose monolog if its feature set, stack or MIT licence fits better. Both are self-hostable.