head to head · open source
Sentry vs skydive
Sentry has 44,806 GitHub stars, 4,857 forks, 2,265 open issues and last shipped today. skydive has 2,798 stars, 414 forks, 119 open issues and last shipped 1.0 years ago. Sentry leads on adoption by 1,501% (44,806 vs 2,798 stars). Sentry is written in Python under a custom or non-standard licence; skydive is written in Go under Apache-2.0. Sentry has attracted 11% as many forks as stars, skydive 15%. 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 | skydive | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 2.8K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | Go |
| Last push | 2026-09-20 | 2025-09-19 |
| Forks | ⑂ 4.9K | ⑂ 414 |
| 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 skydive if
- You want the skydive feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and skydive 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 skydive
Skydive is an open source, Apache 2.0 licensed, Go based real time network topology and protocols analyzer for network engineers, cloud and Kubernetes operators, and SREs who need a live, queryable picture of what their infrastructure is actually doing.
read the full skydive overview →
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Frequently asked questions
Is Sentry or skydive more popular?
Sentry has 44,806 GitHub stars and skydive has 2,798. Sentry has the larger community by that measure.
Are Sentry and skydive free?
Both are open source. Sentry has no licence declared in this registry, and skydive is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Sentry and skydive?
Sentry is written in Python and skydive in Go. 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 skydive?
Choose Sentry if you want the larger community (44,806 stars) or its Custom / other licence terms. Choose skydive if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.