head to head · open source
Sentry vs CocoaLumberjack
Sentry has 44,806 GitHub stars, 4,857 forks, 2,265 open issues and last shipped today. CocoaLumberjack has 13,320 stars, 2,274 forks, 7 open issues and last shipped 4 days ago. Sentry leads on adoption by 236% (44,806 vs 13,320 stars). Sentry is written in Python under a custom or non-standard licence; CocoaLumberjack is written in Objective-C under BSD-3-Clause. Sentry has attracted 11% as many forks as stars, CocoaLumberjack 17%. Sentry 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
| Sentry | CocoaLumberjack | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 13K |
| License | Custom / other | BSD-3-Clause |
| Written in | Python | Objective-C |
| Last push | 2026-09-20 | 2026-09-16 |
| Forks | ⑂ 4.9K | ⑂ 2.3K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Sentry if
- You weight community size — 45K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- 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 Sentry
Sentry is an open source debugging platform for detecting, tracing, and fixing software issues in real time. It lives in the developer infrastructure ecosystem and provides error tracking and performance monitoring across languages, frameworks, and runtime environments.
read the full Sentry 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 Sentry or CocoaLumberjack more popular?
Sentry has 44,806 GitHub stars and CocoaLumberjack has 13,320. Sentry has the larger community by that measure.
Are Sentry and CocoaLumberjack free?
Both are open source. Sentry has no licence declared in this registry, and CocoaLumberjack is licensed under BSD-3-Clause. Both are free to self-host.
What is the difference between Sentry and CocoaLumberjack?
Sentry is written in Python 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, Sentry or CocoaLumberjack?
Choose Sentry if you want the larger community (44,806 stars) or its Custom / other licence terms. Choose CocoaLumberjack if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.