head to head · open source
Sentry vs Uptrace
Sentry has 44,806 GitHub stars, 4,857 forks, 2,265 open issues and last shipped today. Uptrace has 4,290 stars, 217 forks, 52 open issues and last shipped 1 months ago. Sentry leads on adoption by 944% (44,806 vs 4,290 stars). Sentry is written in Python under a custom or non-standard licence; Uptrace is written in Go under AGPL-3.0. Sentry has attracted 11% as many forks as stars, Uptrace 5%. Sentry was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (apm, 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 | Uptrace | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 4.3K |
| License | Custom / other | AGPL-3.0 |
| Written in | Python | Go |
| Last push | 2026-09-20 | 2026-08-13 |
| Forks | ⑂ 4.9K | ⑂ 217 |
| 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 Uptrace if
- You want the Uptrace feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Go
- You evaluated both and Uptrace 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 Uptrace
Uptrace is open source APM platform for modern applications. It sits in Infrastructure & Operations / Monitoring & Observability ecosystem. It supports OpenTelemetry traces, metrics, logs. It gives one interface for application monitoring, distributed tracing, performance monitoring, and log inspection. README says it comes with query builder, rich dashboards, alerting rules, notifications, and integrations for most languages and frameworks. It is written in Go and licensed AGPL 3.0.
read the full Uptrace overview →
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Frequently asked questions
Is Sentry or Uptrace more popular?
Sentry has 44,806 GitHub stars and Uptrace has 4,290. Sentry has the larger community by that measure.
Are Sentry and Uptrace free?
Both are open source. Sentry has no licence declared in this registry, and Uptrace is licensed under AGPL-3.0. Both are free to self-host.
What is the difference between Sentry and Uptrace?
Sentry is written in Python and Uptrace in Go. 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 Uptrace?
Choose Sentry if you want the larger community (44,806 stars) or its Custom / other licence terms. Choose Uptrace if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.