head to head · open source
Sentry vs pyrra
Sentry has 45,704 GitHub stars, 4,959 forks, 2,265 open issues and last shipped yesterday. pyrra has 1,568 stars, 154 forks, 83 open issues and last shipped 2 days ago. Sentry leads on adoption by 2,815% (45,704 vs 1,568 stars). Sentry is written in Python under a custom or non-standard licence; pyrra is written in Go under Apache-2.0. Sentry has attracted 11% as many forks as stars, pyrra 10%. 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 | pyrra | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 1.6K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | Go |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 5.0K | ⑂ 154 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Sentry if
- You weight community size — 46K 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 pyrra if
- You want the pyrra 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 pyrra fits your workflow better
About Sentry
Users and logs provide clues. Sentry provides answers. What's Sentry? Sentry is the debugging platform that helps every developer detect, trace, and fix issues. Code breaks, fix it faster. Official Sentry SDKs JavaScript Electron React Native Python Ruby PHP Laravel Go Rust Java/Kotlin Objective C/Swift C\ /F\ C/C++ Dart/Flutter Perl Clojure Elixir Unity Unreal Engine Godot Engine PowerShell Resources Documentation Discussions (Bugs, feature requests, general questions) Discord Contributing Bug Tracker Code Transifex (Translate Sentry\!)
read the full Sentry overview →
About pyrra
Making SLOs with Prometheus manageable, accessible, and easy to use for everyone! Dashboards to visualize SLOs in Grafana: Watch the 5min lightning talk at Prometheus Day 2022: Features Support for Kubernetes, Docker, and reading from the filesystem Alerting: Generates 4 Multi Burn Rate Alerts with different severity Page listing all Service Level Objectives Search through names and labels Sorted by remaining error budget to see the worst ones quickly All columns sortable View and hide individual columns Clicking on labels to filter SLOs that contain the label Tool tips when hovering for extra context Page with…
read the full pyrra overview →
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Frequently asked questions
Is Sentry or pyrra more popular?
Sentry has 45,704 GitHub stars and pyrra has 1,568. Sentry has the larger community by that measure.
Are Sentry and pyrra free?
Both are open source. Sentry has no licence declared in this registry, and pyrra is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Sentry and pyrra?
Sentry is written in Python and pyrra 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 pyrra?
Choose Sentry if you want the larger community (45,704 stars) or its Custom / other licence terms. Choose pyrra if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.