head to head · open source
Sentry vs jaeger-ui
Sentry has 44,806 GitHub stars, 4,857 forks, 2,265 open issues and last shipped today. jaeger-ui has 1,527 stars, 841 forks, 225 open issues and last shipped 4 days ago. Sentry leads on adoption by 2,834% (44,806 vs 1,527 stars). Sentry is written in Python under a custom or non-standard licence; jaeger-ui is written in TypeScript under Apache-2.0. Sentry has attracted 11% as many forks as stars, jaeger-ui 55%. Sentry was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (apm, hacktoberfest, 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 | jaeger-ui | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 1.5K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-09-20 | 2026-09-16 |
| Forks | ⑂ 4.9K | ⑂ 841 |
| 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 jaeger-ui if
- You want the jaeger-ui feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and jaeger-ui 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 jaeger-ui
Jaeger UI is the open source, Apache 2.0 TypeScript web interface that visualizes and searches distributed traces captured by Jaeger, built for developers, platform engineers, and site reliability engineers who need to inspect how a request moves across services.
read the full jaeger-ui overview →
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Frequently asked questions
Is Sentry or jaeger-ui more popular?
Sentry has 44,806 GitHub stars and jaeger-ui has 1,527. Sentry has the larger community by that measure.
Are Sentry and jaeger-ui free?
Both are open source. Sentry has no licence declared in this registry, and jaeger-ui is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Sentry and jaeger-ui?
Sentry is written in Python and jaeger-ui in TypeScript. 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 jaeger-ui?
Choose Sentry if you want the larger community (44,806 stars) or its Custom / other licence terms. Choose jaeger-ui if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.