head to head · open source
Sentry vs Cachet
Sentry has 44,792 GitHub stars, 4,854 forks, 2,265 open issues and last shipped yesterday. Cachet has 15,242 stars, 1,632 forks, 7 open issues and last shipped yesterday. Sentry leads on adoption by 194% (44,792 vs 15,242 stars). Sentry is written in Python under a custom or non-standard licence; Cachet is written in PHP under a custom or non-standard licence. Sentry has attracted 11% as many forks as stars, Cachet 11%. 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 | Cachet | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 15K |
| License | Custom / other | Custom / other |
| Written in | Python | PHP |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 4.9K | ⑂ 1.6K |
| 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 Cachet if
- You want the Cachet feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches PHP
- You evaluated both and Cachet 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 Cachet
Cachet is an open source, self hosted status page system. It lives in the PHP and Laravel ecosystem, and it is categorized under Infrastructure and Operations and Monitoring and Observability. The project is intended for teams that need a dedicated place to communicate service status and downtime in a transparent way.
read the full Cachet overview →
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Frequently asked questions
Is Sentry or Cachet more popular?
Sentry has 44,792 GitHub stars and Cachet has 15,242. Sentry has the larger community by that measure.
Are Sentry and Cachet free?
Neither Sentry nor Cachet declares a licence in this registry, so check each project's own repository before relying on either for a commercial use. Both are free to self-host.
What is the difference between Sentry and Cachet?
Sentry is written in Python and Cachet in PHP. 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 Cachet?
Choose Sentry if you want the larger community (44,792 stars) or its Custom / other licence terms. Choose Cachet if its feature set, stack or Custom / other licence fits better. Both are self-hostable.