head to head · open source
Uptime Kuma vs CocoaLumberjack
Uptime Kuma has 91,477 GitHub stars, 8,426 forks, 805 open issues and last shipped yesterday. CocoaLumberjack has 13,319 stars, 2,274 forks, 7 open issues and last shipped 2 days ago. Uptime Kuma leads on adoption by 587% (91,477 vs 13,319 stars). Uptime Kuma is written in JavaScript under MIT; CocoaLumberjack is written in Objective-C under BSD-3-Clause. Uptime Kuma has attracted 9% as many forks as stars, CocoaLumberjack 17%. 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 | CocoaLumberjack | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 13K |
| License | MIT | BSD-3-Clause |
| Written in | JavaScript | Objective-C |
| Last push | 2026-09-17 | 2026-09-16 |
| Forks | ⑂ 8.4K | ⑂ 2.3K |
| 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 CocoaLumberjack if
- You want the CocoaLumberjack feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches Objective-C
- You evaluated both and CocoaLumberjack 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 CocoaLumberjack
CocoaLumberjack is a fast and flexible logging framework, written primarily in Objective C with first class Swift support, for applications targeting macOS, iOS, tvOS, watchOS and visionOS.
read the full CocoaLumberjack overview →
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Frequently asked questions
Is Uptime Kuma or CocoaLumberjack more popular?
Uptime Kuma has 91,477 GitHub stars and CocoaLumberjack has 13,319. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and CocoaLumberjack free?
Both are open source. Uptime Kuma is licensed under MIT and CocoaLumberjack under BSD-3-Clause. Neither carries a licence fee.
What is the difference between Uptime Kuma and CocoaLumberjack?
Uptime Kuma is written in JavaScript and CocoaLumberjack in Objective-C. 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 CocoaLumberjack?
Choose Uptime Kuma if you want the larger community (91,477 stars) or its MIT licence terms. Choose CocoaLumberjack if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.