head to head · open source
Sentry vs kotlin-logging
Sentry has 44,806 GitHub stars, 4,857 forks, 2,265 open issues and last shipped today. kotlin-logging has 3,111 stars, 130 forks, 21 open issues and last shipped 4 months ago. Sentry leads on adoption by 1,340% (44,806 vs 3,111 stars). Sentry is written in Python under a custom or non-standard licence; kotlin-logging is written in Kotlin under Apache-2.0. Sentry has attracted 11% as many forks as stars, kotlin-logging 4%. 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 | kotlin-logging | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 3.1K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | Kotlin |
| Last push | 2026-09-20 | 2026-05-27 |
| Forks | ⑂ 4.9K | ⑂ 130 |
| 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 kotlin-logging if
- You want the kotlin-logging feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Kotlin
- You evaluated both and kotlin-logging 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 kotlin-logging
kotlin logging is a lightweight, pure Kotlin logging facade that gives JVM, Android, and multiplatform Kotlin applications lazy, idiomatic log calls while delegating the actual logging work to SLF4J and whichever backend implementation the project already uses.
read the full kotlin-logging overview →
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Frequently asked questions
Is Sentry or kotlin-logging more popular?
Sentry has 44,806 GitHub stars and kotlin-logging has 3,111. Sentry has the larger community by that measure.
Are Sentry and kotlin-logging free?
Both are open source. Sentry has no licence declared in this registry, and kotlin-logging is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Sentry and kotlin-logging?
Sentry is written in Python and kotlin-logging in Kotlin. 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 kotlin-logging?
Choose Sentry if you want the larger community (44,806 stars) or its Custom / other licence terms. Choose kotlin-logging if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.