head to head · open source
Sentry vs ali
Sentry has 45,704 GitHub stars, 4,959 forks, 2,265 open issues and last shipped yesterday. ali has 3,938 stars, 152 forks, 25 open issues and last shipped 10 months ago. Sentry leads on adoption by 1,061% (45,704 vs 3,938 stars). Sentry is written in Python under a custom or non-standard licence; ali is written in Go under MIT. Sentry has attracted 11% as many forks as stars, ali 4%. 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 | ali | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 3.9K |
| License | Custom / other | MIT |
| Written in | Python | Go |
| Last push | 2026-11-04 | 2026-01-19 |
| Forks | ⑂ 5.0K | ⑂ 152 |
| 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 ali if
- You want the ali feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and ali 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 ali
ali A load testing tool capable of performing real time analysis, inspired by vegeta and jplot. ali comes with an embedded terminal based UI where you can plot the metrics in real time, so lets you perform real time analysis on the terminal. Installation Binary releases are available through here. Via Homebrew Via MacPorts Via APT Via RPM Via Pacman Via APK After enabling the community repo: Via Go Note that you may have a problem because it downloads an untagged binary. Via Docker Usage Quickstart Replace with the target you want to issue the requests to. Press Enter when the UI appears, then the attack will be…
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Frequently asked questions
Is Sentry or ali more popular?
Sentry has 45,704 GitHub stars and ali has 3,938. Sentry has the larger community by that measure.
Are Sentry and ali free?
Both are open source. Sentry has no licence declared in this registry, and ali is licensed under MIT. Both are free to self-host.
What is the difference between Sentry and ali?
Sentry is written in Python and ali in Go. 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 ali?
Choose Sentry if you want the larger community (45,704 stars) or its Custom / other licence terms. Choose ali if its feature set, stack or MIT licence fits better. Both are self-hostable.