head to head · open source
Sentry vs nezha
Sentry has 45,704 GitHub stars, 4,959 forks, 2,265 open issues and last shipped yesterday. nezha has 10,392 stars, 1,616 forks, 54 open issues and last shipped 7 days ago. Sentry leads on adoption by 340% (45,704 vs 10,392 stars). Sentry is written in Python under a custom or non-standard licence; nezha is written in Go under WTFPL. Sentry has attracted 11% as many forks as stars, nezha 16%. 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.
← all 20902 open source comparisons
Side by side
| Sentry | nezha | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 10K |
| License | Custom / other | WTFPL |
| Written in | Python | Go |
| Last push | 2026-11-04 | 2026-10-29 |
| Forks | ⑂ 5.0K | ⑂ 1.6K |
| 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 nezha if
- You want the nezha feature set and don't need the biggest community
- You prefer the WTFPL license terms
- Your stack matches Go
- You evaluated both and nezha 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 nezha
LOGO designed by 熊大 . :trollface: Nezha Monitoring: Self hostable, lightweight, servers and websites monitoring and O&M tool. Supports monitoring system status, HTTP (SSL certificate change, upcoming expiration, expired), TCP, Ping and supports push alerts , run scheduled tasks and web terminal . \ Telegram Channel: 哪吒监控（中文通知频道） \ Telegram Group: Nezha Monitoring Global (English Only), 哪吒监控（中文群组） \ Use Cases 我们的用户 (Google) Sponsors / 赞助商 VMRack 洛杉矶 VPS｜CN2 GIA + AS9929 + CMIN2 三网精品线路，AMD + NVMe 高性能！ 👉 vmrack 🚀 99CDN｜自建 CDN，不止是加速！ 边缘缓存 + 智能调度 + 自动故障切换 + 商业化运营 🌐 99cdn AxisNow｜自建私有部署 CDN｜订阅式高防 CDN 自主可控、灵活组合的 CDN…
read the full nezha overview →
More in Infrastructure & Operations
Related comparisons
More Monitoring & Observability projects
Compare either of these against the rest of the Monitoring & Observability field.
Frequently asked questions
Is Sentry or nezha more popular?
Sentry has 45,704 GitHub stars and nezha has 10,392. Sentry has the larger community by that measure.
Are Sentry and nezha free?
Both are open source. Sentry has no licence declared in this registry, and nezha is licensed under WTFPL. Both are free to self-host.
What is the difference between Sentry and nezha?
Sentry is written in Python and nezha 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 nezha?
Choose Sentry if you want the larger community (45,704 stars) or its Custom / other licence terms. Choose nezha if its feature set, stack or WTFPL licence fits better. Both are self-hostable.