head to head · open source
Sentry vs loongcollector
Sentry has 45,704 GitHub stars, 4,959 forks, 2,265 open issues and last shipped today. loongcollector has 2,214 stars, 456 forks, 166 open issues and last shipped yesterday. Sentry leads on adoption by 1,964% (45,704 vs 2,214 stars). Sentry is written in Python under a custom or non-standard licence; loongcollector is written in C++ under Apache-2.0. Sentry has attracted 11% as many forks as stars, loongcollector 21%. Sentry was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (apm), 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 | loongcollector | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 2.2K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | C++ |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 5.0K | ⑂ 456 |
| 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 loongcollector if
- You want the loongcollector feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C++
- You evaluated both and loongcollector 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 loongcollector
LoongCollector High Performance Observability Data Collector Fast, Lightweight, and Battle Tested Observability Agent Quick Start • Documentation • Performance Benchmarks • Contributing Why LoongCollector? LoongCollector is a high performance, lightweight observability data collector designed for modern cloud native environments. Born from Alibaba's 15 year journey handling exponential traffic growth and powering tens of millions of deployments, LoongCollector delivers 10x higher throughput with 80% lower resource usage compared to open source alternatives. LoongCollector is a key component of…
read the full loongcollector overview →
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Frequently asked questions
Is Sentry or loongcollector more popular?
Sentry has 45,704 GitHub stars and loongcollector has 2,214. Sentry has the larger community by that measure.
Are Sentry and loongcollector free?
Both are open source. Sentry has no licence declared in this registry, and loongcollector is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Sentry and loongcollector?
Sentry is written in Python and loongcollector 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 loongcollector?
Choose Sentry if you want the larger community (45,704 stars) or its Custom / other licence terms. Choose loongcollector if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.