head to head · open source
Sentry vs nginx-lua-prometheus
Sentry has 45,704 GitHub stars, 4,959 forks, 2,265 open issues and last shipped yesterday. nginx-lua-prometheus has 1,574 stars, 239 forks, 5 open issues and last shipped 2 months ago. Sentry leads on adoption by 2,804% (45,704 vs 1,574 stars). Sentry is written in Python under a custom or non-standard licence; nginx-lua-prometheus is written in Lua under MIT. Sentry has attracted 11% as many forks as stars, nginx-lua-prometheus 15%. 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 | nginx-lua-prometheus | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 1.6K |
| License | Custom / other | MIT |
| Written in | Python | Lua |
| Last push | 2026-11-04 | 2026-09-11 |
| Forks | ⑂ 5.0K | ⑂ 239 |
| 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 nginx-lua-prometheus if
- You want the nginx-lua-prometheus feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Lua
- You evaluated both and nginx-lua-prometheus 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 nginx-lua-prometheus
Prometheus metric library for Nginx This is a Lua library that can be used with Nginx to keep track of metrics and expose them on a separate web page to be pulled by Prometheus. Installation To use this library, you will need the ngx lua nginx module. You can either use a lua enabled nginx based server like OpenResty, or a regular nginx server with the module enabled: for example, on Debian 10 you can simply install libnginx mod http lua (but please read the known issues if you use a later Debian version). The library file prometheus.lua needs to be available in LUA PATH . If this is the only Lua library you…
read the full nginx-lua-prometheus overview →
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Frequently asked questions
Is Sentry or nginx-lua-prometheus more popular?
Sentry has 45,704 GitHub stars and nginx-lua-prometheus has 1,574. Sentry has the larger community by that measure.
Are Sentry and nginx-lua-prometheus free?
Both are open source. Sentry has no licence declared in this registry, and nginx-lua-prometheus is licensed under MIT. Both are free to self-host.
What is the difference between Sentry and nginx-lua-prometheus?
Sentry is written in Python and nginx-lua-prometheus in Lua. 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 nginx-lua-prometheus?
Choose Sentry if you want the larger community (45,704 stars) or its Custom / other licence terms. Choose nginx-lua-prometheus if its feature set, stack or MIT licence fits better. Both are self-hostable.