head to head · open source
NetData vs Sentry
NetData has 80,561 GitHub stars, 6,630 forks, 393 open issues and last shipped yesterday. Sentry has 44,792 stars, 4,854 forks, 2,265 open issues and last shipped yesterday. NetData leads on adoption by 80% (80,561 vs 44,792 stars). NetData is written in Go under GPL-3.0; Sentry is written in Python under a custom or non-standard licence. NetData has attracted 8% as many forks as stars, Sentry 11%. Sentry was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (devops), 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
| NetData | Sentry | |
|---|---|---|
| GitHub stars | ★ 81K | ★ 45K |
| License | GPL-3.0 | Custom / other |
| Written in | Go | Python |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 6.6K | ⑂ 4.9K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick NetData if
- You weight community size — 81K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick Sentry if
- You want the Sentry feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Python
- You evaluated both and Sentry fits your workflow better
About NetData
Netdata is an open source, real time infrastructure monitoring platform written in Go and released under GPL 3.0, built for operators and lean teams who need per second visibility across Linux, macOS, FreeBSD, and Windows systems.
read the full NetData overview →
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 →
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Frequently asked questions
Is NetData or Sentry more popular?
NetData has 80,561 GitHub stars and Sentry has 44,792. NetData has the larger community by that measure.
Are NetData and Sentry free?
Both are open source. NetData is licensed under GPL-3.0, and Sentry has no licence declared in this registry. Both are free to self-host.
What is the difference between NetData and Sentry?
NetData is written in Go and Sentry 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, NetData or Sentry?
Choose NetData if you want the larger community (80,561 stars) or its GPL-3.0 licence terms. Choose Sentry if its feature set, stack or Custom / other licence fits better. Both are self-hostable.