head to head · open source
Sentry vs logging-log4j2
Sentry has 44,806 GitHub stars, 4,857 forks, 2,265 open issues and last shipped today. logging-log4j2 has 3,636 stars, 1,744 forks, 212 open issues and last shipped yesterday. Sentry leads on adoption by 1,132% (44,806 vs 3,636 stars). Sentry is written in Python under a custom or non-standard licence; logging-log4j2 is written in Java under Apache-2.0. Sentry has attracted 11% as many forks as stars, logging-log4j2 48%. 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 | logging-log4j2 | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 3.6K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | Java |
| Last push | 2026-09-20 | 2026-09-19 |
| Forks | ⑂ 4.9K | ⑂ 1.7K |
| 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 logging-log4j2 if
- You want the logging-log4j2 feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and logging-log4j2 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 logging-log4j2
Apache Log4j 2 is a versatile, industrial grade Java logging framework, composed of a logging API, its implementation, and components that assist deployment for various use cases, built for Java and JVM developers who need a logging stack inside their applications.
read the full logging-log4j2 overview →
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Frequently asked questions
Is Sentry or logging-log4j2 more popular?
Sentry has 44,806 GitHub stars and logging-log4j2 has 3,636. Sentry has the larger community by that measure.
Are Sentry and logging-log4j2 free?
Both are open source. Sentry has no licence declared in this registry, and logging-log4j2 is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Sentry and logging-log4j2?
Sentry is written in Python and logging-log4j2 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, Sentry or logging-log4j2?
Choose Sentry if you want the larger community (44,806 stars) or its Custom / other licence terms. Choose logging-log4j2 if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.