head to head · open source
Sentry vs SigNoz
Sentry has 45,697 GitHub stars, 4,959 forks, 2,265 open issues and last shipped yesterday. SigNoz has 32,509 stars, 2,573 forks, 1,557 open issues and last shipped yesterday. Sentry leads on adoption by 41% (45,697 vs 32,509 stars). Sentry is written in Python under a custom or non-standard licence; SigNoz is written in TypeScript under a custom or non-standard licence. Sentry has attracted 11% as many forks as stars, SigNoz 8%. Sentry was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (apm, 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 | SigNoz | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 33K |
| License | Custom / other | Custom / other |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 5.0K | ⑂ 2.6K |
| 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 SigNoz if
- You want the SigNoz feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and SigNoz 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 SigNoz
中文 · Deutsch · Português SigNoz is an open source observability platform built on OpenTelemetry. We’re building an enterprise grade alternative to fragmented monitoring stacks, with logs, metrics, traces, alerts, and dashboards in one place. Choose how to run SigNoz SigNoz Cloud (Recommended) Fully managed SigNoz with a 30 day free trial, no credit card required, usage based pricing that starts at $49, and regional data hosting. Start free → Enterprise Enterprise Cloud, BYOC, or Enterprise Self Hosted with compliance, support, custom retention, RBAC, ingestion controls, data residency, and region selection…
read the full SigNoz overview →
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Frequently asked questions
Is Sentry or SigNoz more popular?
Sentry has 45,697 GitHub stars and SigNoz has 32,509. Sentry has the larger community by that measure.
Are Sentry and SigNoz free?
Neither Sentry nor SigNoz declares a licence in this registry, so check each project's own repository before relying on either for a commercial use. Both are free to self-host.
What is the difference between Sentry and SigNoz?
Sentry is written in Python and SigNoz in TypeScript. 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 SigNoz?
Choose Sentry if you want the larger community (45,697 stars) or its Custom / other licence terms. Choose SigNoz if its feature set, stack or Custom / other licence fits better. Both are self-hostable.