head to head · open source
Sentry vs rsyslog
Sentry has 45,704 GitHub stars, 4,959 forks, 2,265 open issues and last shipped yesterday. rsyslog has 2,347 stars, 745 forks, 207 open issues and last shipped 2 days ago. Sentry leads on adoption by 1,847% (45,704 vs 2,347 stars). Sentry is written in Python under a custom or non-standard licence; rsyslog is written in C under LGPL-3.0. Sentry has attracted 11% as many forks as stars, rsyslog 32%. 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 | rsyslog | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 2.3K |
| License | Custom / other | LGPL-3.0 |
| Written in | Python | C |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 5.0K | ⑂ 745 |
| 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 rsyslog if
- You want the rsyslog feature set and don't need the biggest community
- You prefer the LGPL-3.0 license terms
- Your stack matches C
- You evaluated both and rsyslog 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 rsyslog
Rsyslog – What Is It? Rsyslog is a r ocket fast sys tem for log processing pipelines. It offers high performance, advanced security features, and a modular microkernel like architecture . Originally a regular syslogd, rsyslog has evolved into a highly versatile logging solution capable of ingesting data from numerous sources, transforming it, and outputting it to a wide variety of destinations. Rsyslog can deliver over one million messages per second to local destinations under minimal processing (based on v7, Dec 2013). Even with complex routing and remote forwarding, performance remains excellent. Table of…
read the full rsyslog overview →
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Frequently asked questions
Is Sentry or rsyslog more popular?
Sentry has 45,704 GitHub stars and rsyslog has 2,347. Sentry has the larger community by that measure.
Are Sentry and rsyslog free?
Both are open source. Sentry has no licence declared in this registry, and rsyslog is licensed under LGPL-3.0. Both are free to self-host.
What is the difference between Sentry and rsyslog?
Sentry is written in Python and rsyslog in C. 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 rsyslog?
Choose Sentry if you want the larger community (45,704 stars) or its Custom / other licence terms. Choose rsyslog if its feature set, stack or LGPL-3.0 licence fits better. Both are self-hostable.