head to head · open source
Sentry vs kubetail
Sentry has 44,806 GitHub stars, 4,857 forks, 2,265 open issues and last shipped today. kubetail has 1,763 stars, 126 forks, 29 open issues and last shipped yesterday. Sentry leads on adoption by 2,441% (44,806 vs 1,763 stars). Sentry is written in Python under a custom or non-standard licence; kubetail is written in Go under Apache-2.0. Sentry has attracted 11% as many forks as stars, kubetail 7%. Sentry was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (devops, 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 | kubetail | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 1.8K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | Go |
| Last push | 2026-09-20 | 2026-09-19 |
| Forks | ⑂ 4.9K | ⑂ 126 |
| 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 kubetail if
- You want the kubetail 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 kubetail 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 kubetail
Kubetail is an open source, Apache 2.0 licensed real time logging dashboard for Kubernetes that merges the logs of every container in a workload into a single chronological timeline and delivers them to a terminal or a browser, and it is built for developers, SREs, and platform teams who want live cluster logs without forwarding them to an external service.
read the full kubetail overview →
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Frequently asked questions
Is Sentry or kubetail more popular?
Sentry has 44,806 GitHub stars and kubetail has 1,763. Sentry has the larger community by that measure.
Are Sentry and kubetail free?
Both are open source. Sentry has no licence declared in this registry, and kubetail is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Sentry and kubetail?
Sentry is written in Python and kubetail 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 kubetail?
Choose Sentry if you want the larger community (44,806 stars) or its Custom / other licence terms. Choose kubetail if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.