head to head · open source
Sentry vs express-status-monitor
Sentry has 44,806 GitHub stars, 4,857 forks, 2,265 open issues and last shipped today. express-status-monitor has 3,616 stars, 264 forks, 68 open issues and last shipped 7 months ago. Sentry leads on adoption by 1,139% (44,806 vs 3,616 stars). Sentry is written in Python under a custom or non-standard licence; express-status-monitor is written in JavaScript under MIT. Sentry has attracted 11% as many forks as stars, express-status-monitor 7%. 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 | express-status-monitor | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 3.6K |
| License | Custom / other | MIT |
| Written in | Python | JavaScript |
| Last push | 2026-09-20 | 2026-02-16 |
| Forks | ⑂ 4.9K | ⑂ 264 |
| 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 express-status-monitor if
- You want the express-status-monitor feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and express-status-monitor 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 express-status-monitor
express status monitor is a self hosted Express middleware that renders a realtime dashboard of Node.js server metrics using Socket.io and Chart.js, built for Node.js and Express developers who want live visibility into a running server without attaching an external monitoring service.
read the full express-status-monitor overview →
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Frequently asked questions
Is Sentry or express-status-monitor more popular?
Sentry has 44,806 GitHub stars and express-status-monitor has 3,616. Sentry has the larger community by that measure.
Are Sentry and express-status-monitor free?
Both are open source. Sentry has no licence declared in this registry, and express-status-monitor is licensed under MIT. Both are free to self-host.
What is the difference between Sentry and express-status-monitor?
Sentry is written in Python and express-status-monitor in JavaScript. 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 express-status-monitor?
Choose Sentry if you want the larger community (44,806 stars) or its Custom / other licence terms. Choose express-status-monitor if its feature set, stack or MIT licence fits better. Both are self-hostable.