head to head · open source
Uptime Kuma vs booklogr
Uptime Kuma has 91,498 GitHub stars, 8,431 forks, 805 open issues and last shipped yesterday. booklogr has 625 stars, 31 forks, 26 open issues and last shipped 3 days ago. Uptime Kuma leads on adoption by 14,540% (91,498 vs 625 stars). Uptime Kuma is written in JavaScript under MIT; booklogr is written in JavaScript under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, booklogr 5%. Uptime Kuma was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (self-hosted, selfhosted), 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 | booklogr | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 625 |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | JavaScript |
| Last push | 2026-09-18 | 2026-09-16 |
| Forks | ⑂ 8.4K | ⑂ 31 |
| 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 booklogr if
- You want the booklogr feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches JavaScript
- You evaluated both and booklogr 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 booklogr
BookLogr is a self hosted web application that lets one person catalogue the books they own, are reading, or intend to read, keep that data on their own hardware, and optionally publish the library as a public profile for friends and family.
read the full booklogr overview →
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Frequently asked questions
Is Uptime Kuma or booklogr more popular?
Uptime Kuma has 91,498 GitHub stars and booklogr has 625. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and booklogr free?
Both are open source. Uptime Kuma is licensed under MIT and booklogr under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and booklogr?
Uptime Kuma is written in JavaScript and booklogr in JavaScript. 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 booklogr?
Choose Uptime Kuma if you want the larger community (91,498 stars) or its MIT licence terms. Choose booklogr if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.