head to head · open source
Sentry vs kuvasz
Sentry has 45,704 GitHub stars, 4,959 forks, 2,265 open issues and last shipped yesterday. kuvasz has 670 stars, 41 forks, 5 open issues and last shipped 3 days ago. Sentry leads on adoption by 6,721% (45,704 vs 670 stars). Sentry is written in Python under a custom or non-standard licence; kuvasz is written in Kotlin under AGPL-3.0. Sentry has attracted 11% as many forks as stars, kuvasz 6%. 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 | kuvasz | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 670 |
| License | Custom / other | AGPL-3.0 |
| Written in | Python | Kotlin |
| Last push | 2026-11-04 | 2026-11-02 |
| Forks | ⑂ 5.0K | ⑂ 41 |
| 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 kuvasz if
- You want the kuvasz feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Kotlin
- You evaluated both and kuvasz 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 kuvasz
Kuvasz [ˈkuvɒs] is an open source, self hosted uptime & SSL monitoring service with status pages , designed to help you keep track of your websites and services. It provides a modern, user friendly interface, a powerful REST API + MCP server, maintenance windows and supports multiple notification channels like email, Discord, Slack, Telegram, Microsoft Teams, Apprise, Pushover, PagerDuty and custom webhooks. 📖 Documentation 🛝 Live demo You can try out Kuvasz on the dedicated demo instance under Use the following credentials to log in: Username : demo Password : secureDemoPassword 🔮 Roadmap ⚡️ Quick start…
read the full kuvasz overview →
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Frequently asked questions
Is Sentry or kuvasz more popular?
Sentry has 45,704 GitHub stars and kuvasz has 670. Sentry has the larger community by that measure.
Are Sentry and kuvasz free?
Both are open source. Sentry has no licence declared in this registry, and kuvasz is licensed under AGPL-3.0. Both are free to self-host.
What is the difference between Sentry and kuvasz?
Sentry is written in Python and kuvasz in Kotlin. 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 kuvasz?
Choose Sentry if you want the larger community (45,704 stars) or its Custom / other licence terms. Choose kuvasz if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.