head to head · open source
Sentry vs Keep
Sentry has 44,806 GitHub stars, 4,857 forks, 2,265 open issues and last shipped today. Keep has 12,336 stars, 1,510 forks, 609 open issues and last shipped yesterday. Sentry leads on adoption by 263% (44,806 vs 12,336 stars). Sentry is written in Python under a custom or non-standard licence; Keep is written in Python under a custom or non-standard licence. Sentry has attracted 11% as many forks as stars, Keep 12%. Sentry was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (monitoring), so they are genuine substitutes rather than adjacent tools.
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 | Keep | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 12K |
| License | Custom / other | Custom / other |
| Written in | Python | Python |
| Last push | 2026-09-20 | 2026-09-19 |
| Forks | ⑂ 4.9K | ⑂ 1.5K |
| 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 Keep if
- You want the Keep feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Python
- You evaluated both and Keep 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 Keep
Keep is the open source AIOps and alert management platform: a Python based single pane of glass that unifies alerts and incidents, deduplicates and enriches them, and automates response through declarative YAML workflows, aimed at the SRE, platform and on call teams that operate many monitoring tools at once.
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Frequently asked questions
Is Sentry or Keep more popular?
Sentry has 44,806 GitHub stars and Keep has 12,336. Sentry has the larger community by that measure.
Are Sentry and Keep free?
Neither Sentry nor Keep 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 Keep?
Sentry is written in Python and Keep in Python. 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 Keep?
Choose Sentry if you want the larger community (44,806 stars) or its Custom / other licence terms. Choose Keep if its feature set, stack or Custom / other licence fits better. Both are self-hostable.