head to head · open source
Sentry vs jmx_exporter
Sentry has 45,704 GitHub stars, 4,959 forks, 2,265 open issues and last shipped yesterday. jmx_exporter has 3,334 stars, 1,225 forks, 12 open issues and last shipped 2 days ago. Sentry leads on adoption by 1,271% (45,704 vs 3,334 stars). Sentry is written in Python under a custom or non-standard licence; jmx_exporter is written in Java under Apache-2.0. Sentry has attracted 11% as many forks as stars, jmx_exporter 37%. 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 | jmx_exporter | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 3.3K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | Java |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 5.0K | ⑂ 1.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Sentry if
- You weight community size — 46K 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 jmx_exporter if
- You want the jmx_exporter feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and jmx_exporter fits your workflow better
About Sentry
Users and logs provide clues. Sentry provides answers. What's Sentry? Sentry is the debugging platform that helps every developer detect, trace, and fix issues. Code breaks, fix it faster. Official Sentry SDKs JavaScript Electron React Native Python Ruby PHP Laravel Go Rust Java/Kotlin Objective C/Swift C\ /F\ C/C++ Dart/Flutter Perl Clojure Elixir Unity Unreal Engine Godot Engine PowerShell Resources Documentation Discussions (Bugs, feature requests, general questions) Discord Contributing Bug Tracker Code Transifex (Translate Sentry\!)
read the full Sentry overview →
About jmx_exporter
JMX Exporter The JMX Exporter is a collector to capture JMX MBean values. Documentation Documentation can be found at JMX Exporter on prometheus.github.io Contributing and community See CONTRIBUTING.md and the community section of the Prometheus homepage. The Prometheus Java community is present on the CNCF Slack on prometheus java , and we have a fortnightly community call in the Prometheus public calendar. License Apache License 2.0, see LICENSE.
read the full jmx_exporter overview →
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Frequently asked questions
Is Sentry or jmx_exporter more popular?
Sentry has 45,704 GitHub stars and jmx_exporter has 3,334. Sentry has the larger community by that measure.
Are Sentry and jmx_exporter free?
Both are open source. Sentry has no licence declared in this registry, and jmx_exporter is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Sentry and jmx_exporter?
Sentry is written in Python and jmx_exporter in Java. 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 jmx_exporter?
Choose Sentry if you want the larger community (45,704 stars) or its Custom / other licence terms. Choose jmx_exporter if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.