head to head · open source
Sentry vs webfunny_monitor
Sentry has 44,806 GitHub stars, 4,857 forks, 2,265 open issues and last shipped today. webfunny_monitor has 5,301 stars, 883 forks, 111 open issues and last shipped 10 days ago. Sentry leads on adoption by 745% (44,806 vs 5,301 stars). Sentry is written in Python under a custom or non-standard licence; webfunny_monitor is written in JavaScript under Apache-2.0. Sentry has attracted 11% as many forks as stars, webfunny_monitor 17%. 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 | webfunny_monitor | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 5.3K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | JavaScript |
| Last push | 2026-09-20 | 2026-09-10 |
| Forks | ⑂ 4.9K | ⑂ 883 |
| 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 webfunny_monitor if
- You want the webfunny_monitor feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches JavaScript
- You evaluated both and webfunny_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 webfunny_monitor
Webfunny Monitor is an Apache 2.0 licensed, JavaScript based observability platform that combines front end monitoring, APM back end monitoring and a business burying point (event tracking) system into one big data analysis product, built for engineering teams chasing production faults and business teams performing fine grained behavioural analysis.
read the full webfunny_monitor overview →
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Frequently asked questions
Is Sentry or webfunny_monitor more popular?
Sentry has 44,806 GitHub stars and webfunny_monitor has 5,301. Sentry has the larger community by that measure.
Are Sentry and webfunny_monitor free?
Both are open source. Sentry has no licence declared in this registry, and webfunny_monitor is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Sentry and webfunny_monitor?
Sentry is written in Python and webfunny_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 webfunny_monitor?
Choose Sentry if you want the larger community (44,806 stars) or its Custom / other licence terms. Choose webfunny_monitor if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.