head to head · open source
Uptime Kuma vs logbook
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. logbook has 2,071 stars, 290 forks, 26 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 4,400% (93,190 vs 2,071 stars). Uptime Kuma is written in JavaScript under MIT; logbook is written in Java under MIT. Uptime Kuma has attracted 9% as many forks as stars, logbook 14%. 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 | logbook | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 2.1K |
| License | MIT | MIT |
| Written in | JavaScript | Java |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 8.7K | ⑂ 290 |
| 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 logbook if
- You want the logbook feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Java
- You evaluated both and logbook 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 logbook
Logbook: HTTP request and response logging Logbook noun, /lɑɡ bʊk/: A book in which measurements from the ship's log are recorded, along with other salient details of the voyage. Logbook is an extensible Java library to enable complete request and response logging for different client and server side technologies. It satisfies a special need by a) allowing web application developers to log any HTTP traffic that an application receives or sends b) in a way that makes it easy to persist and analyze it later. This can be useful for traditional log analysis, meeting audit requirements or investigating individual…
read the full logbook overview →
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Frequently asked questions
Is Uptime Kuma or logbook more popular?
Uptime Kuma has 93,190 GitHub stars and logbook has 2,071. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and logbook free?
Both are open source. Uptime Kuma is licensed under MIT and logbook under MIT. Neither carries a licence fee.
What is the difference between Uptime Kuma and logbook?
Uptime Kuma is written in JavaScript and logbook 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 logbook?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose logbook if its feature set, stack or MIT licence fits better. Both are self-hostable.