head to head · open source
Sentry vs Mycodo
Sentry has 44,806 GitHub stars, 4,857 forks, 2,265 open issues and last shipped today. Mycodo has 3,286 stars, 566 forks, 118 open issues and last shipped 2 months ago. Sentry leads on adoption by 1,264% (44,806 vs 3,286 stars). Sentry is written in Python under a custom or non-standard licence; Mycodo is written in Python under GPL-3.0. Sentry has attracted 11% as many forks as stars, Mycodo 17%. 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 | Mycodo | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 3.3K |
| License | Custom / other | GPL-3.0 |
| Written in | Python | Python |
| Last push | 2026-09-20 | 2026-08-03 |
| Forks | ⑂ 4.9K | ⑂ 566 |
| 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 Mycodo if
- You want the Mycodo feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Python
- You evaluated both and Mycodo 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 Mycodo
Mycodo is an open source environmental monitoring and regulation system for the Raspberry Pi that couples inputs and outputs to sense and manipulate a physical environment, built for growers, cultivators, and hardware builders who want to run that control themselves.
read the full Mycodo overview →
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Frequently asked questions
Is Sentry or Mycodo more popular?
Sentry has 44,806 GitHub stars and Mycodo has 3,286. Sentry has the larger community by that measure.
Are Sentry and Mycodo free?
Both are open source. Sentry has no licence declared in this registry, and Mycodo is licensed under GPL-3.0. Both are free to self-host.
What is the difference between Sentry and Mycodo?
Sentry is written in Python and Mycodo in Python. 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 Mycodo?
Choose Sentry if you want the larger community (44,806 stars) or its Custom / other licence terms. Choose Mycodo if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.