head to head · open source
Sentry vs beszel
Sentry has 44,792 GitHub stars, 4,854 forks, 2,265 open issues and last shipped yesterday. beszel has 25,459 stars, 1,019 forks, 313 open issues and last shipped yesterday. Sentry leads on adoption by 76% (44,792 vs 25,459 stars). Sentry is written in Python under a custom or non-standard licence; beszel is written in Go under MIT. Sentry has attracted 11% as many forks as stars, beszel 4%. 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 | beszel | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 25K |
| License | Custom / other | MIT |
| Written in | Python | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 4.9K | ⑂ 1.0K |
| 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 beszel if
- You want the beszel feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and beszel 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 beszel
Beszel is a lightweight server monitoring platform written in Go and released under the MIT License. It consists of two components: a hub, which is a web application built on PocketBase and provides the dashboard for viewing and managing connected systems, and an agent, which runs on each system being monitored and communicates system metrics back to the hub. The project lives in the self hosted, homelab oriented monitoring ecosystem, alongside the broader category of Infrastructure and Operations tooling, and it is distributed primarily through Docker images published as henrygd/beszel for the hub and henrygd/be…
read the full beszel overview →
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Frequently asked questions
Is Sentry or beszel more popular?
Sentry has 44,792 GitHub stars and beszel has 25,459. Sentry has the larger community by that measure.
Are Sentry and beszel free?
Both are open source. Sentry has no licence declared in this registry, and beszel is licensed under MIT. Both are free to self-host.
What is the difference between Sentry and beszel?
Sentry is written in Python and beszel 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 beszel?
Choose Sentry if you want the larger community (44,792 stars) or its Custom / other licence terms. Choose beszel if its feature set, stack or MIT licence fits better. Both are self-hostable.