head to head · open source
Sentry vs oshi
Sentry has 44,806 GitHub stars, 4,857 forks, 2,265 open issues and last shipped today. oshi has 5,266 stars, 916 forks, 5 open issues and last shipped today. Sentry leads on adoption by 751% (44,806 vs 5,266 stars). Sentry is written in Python under a custom or non-standard licence; oshi is written in Java under MIT. Sentry has attracted 11% as many forks as stars, oshi 17%. oshi 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 | oshi | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 5.3K |
| License | Custom / other | MIT |
| Written in | Python | Java |
| Last push | 2026-09-20 | 2026-09-20 |
| Forks | ⑂ 4.9K | ⑂ 916 |
| 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 oshi if
- You want the oshi feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Java
- You evaluated both and oshi 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 oshi
OSHI is a free, MIT licensed Java library that reads native operating system and hardware information — OS version, processes, memory and CPU usage, disks and partitions, devices, and sensors — through a single cross platform API without installing any additional native libraries.
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Frequently asked questions
Is Sentry or oshi more popular?
Sentry has 44,806 GitHub stars and oshi has 5,266. Sentry has the larger community by that measure.
Are Sentry and oshi free?
Both are open source. Sentry has no licence declared in this registry, and oshi is licensed under MIT. Both are free to self-host.
What is the difference between Sentry and oshi?
Sentry is written in Python and oshi 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 oshi?
Choose Sentry if you want the larger community (44,806 stars) or its Custom / other licence terms. Choose oshi if its feature set, stack or MIT licence fits better. Both are self-hostable.