head to head · open source
Sentry vs metrics
Sentry has 45,697 GitHub stars, 4,959 forks, 2,265 open issues and last shipped yesterday. metrics has 17,365 stars, 2,300 forks, 68 open issues and last shipped 5 months ago. Sentry leads on adoption by 163% (45,697 vs 17,365 stars). Sentry is written in Python under a custom or non-standard licence; metrics is written in JavaScript under MIT. Sentry has attracted 11% as many forks as stars, metrics 13%. Sentry was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | metrics | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 17K |
| License | Custom / other | MIT |
| Written in | Python | JavaScript |
| Last push | 2026-11-02 | 2026-05-29 |
| Forks | ⑂ 5.0K | ⑂ 2.3K |
| 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 metrics if
- You want the metrics feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and metrics 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 metrics
📊 Metrics Generate metrics that can be embedded everywhere, including your GitHub profile readme! Supports users, organizations, and even repositories! For user accounts For organization accounts 🧩 Customizable with 47 plugins and 335 options! 📅 Isometric commit calendar 🈷️ Languages activity Full year calendar Half year calendar Indepth analysis (clone and analyze repositories) Recently used (analyze recent activity events) Default algorithm Default algorithm (with details) ✨ Stargazers 👨💻 Lines of code changed Classic charts Graph charts Worldmap Repositories and diff history Compact display in base…
read the full metrics overview →
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Frequently asked questions
Is Sentry or metrics more popular?
Sentry has 45,697 GitHub stars and metrics has 17,365. Sentry has the larger community by that measure.
Are Sentry and metrics free?
Both are open source. Sentry has no licence declared in this registry, and metrics is licensed under MIT. Both are free to self-host.
What is the difference between Sentry and metrics?
Sentry is written in Python and metrics in JavaScript. 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 metrics?
Choose Sentry if you want the larger community (45,697 stars) or its Custom / other licence terms. Choose metrics if its feature set, stack or MIT licence fits better. Both are self-hostable.