head to head · open source
Sentry vs Logstash
Sentry has 45,697 GitHub stars, 4,959 forks, 2,265 open issues and last shipped yesterday. Logstash has 14,972 stars, 3,503 forks, 2,254 open issues and last shipped yesterday. Sentry leads on adoption by 205% (45,697 vs 14,972 stars). Sentry is written in Python under a custom or non-standard licence; Logstash is written in Java under a custom or non-standard licence. Sentry has attracted 11% as many forks as stars, Logstash 23%. 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 | Logstash | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 15K |
| License | Custom / other | Custom / other |
| Written in | Python | Java |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 5.0K | ⑂ 3.5K |
| 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 Logstash if
- You want the Logstash feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Java
- You evaluated both and Logstash 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 Logstash
Logstash Logstash is part of the Elastic Stack along with Beats, Elasticsearch and Kibana. Logstash is a server side data processing pipeline that ingests data from a multitude of sources simultaneously, transforms it, and then sends it to your favorite "stash." (Ours is Elasticsearch, naturally.). Logstash has over 200 plugins, and you can write your own very easily as well. For more info, see Documentation and Getting Started You can find the documentation and getting started guides for Logstash on the elastic.co site For information about building the documentation, see the README in Downloads You can…
read the full Logstash overview →
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Frequently asked questions
Is Sentry or Logstash more popular?
Sentry has 45,697 GitHub stars and Logstash has 14,972. Sentry has the larger community by that measure.
Are Sentry and Logstash free?
Neither Sentry nor Logstash 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 Logstash?
Sentry is written in Python and Logstash in Java. 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 Logstash?
Choose Sentry if you want the larger community (45,697 stars) or its Custom / other licence terms. Choose Logstash if its feature set, stack or Custom / other licence fits better. Both are self-hostable.