head to head · open source
Sentry vs OpenReplay
Sentry has 45,707 GitHub stars, 4,965 forks, 2,265 open issues and last shipped yesterday. OpenReplay has 13,098 stars, 882 forks, 180 open issues and last shipped yesterday. Sentry leads on adoption by 249% (45,707 vs 13,098 stars). Sentry is written in Python under a custom or non-standard licence; OpenReplay is written in TypeScript under a custom or non-standard licence. Sentry has attracted 11% as many forks as stars, OpenReplay 7%. 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 | OpenReplay | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 13K |
| License | Custom / other | Custom / other |
| Written in | Python | TypeScript |
| Last push | 2026-11-04 | 2026-11-04 |
| Forks | ⑂ 5.0K | ⑂ 882 |
| 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 OpenReplay if
- You want the OpenReplay feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and OpenReplay 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 OpenReplay
Français Español Русский العربية Session replay for developers The most advanced session replay for building delightful web apps. OpenReplay is an open source session replay suite you can host yourself, that lets you see what users do on your web app, helping you troubleshoot issues faster. Session replay. OpenReplay replays what users do, but not only. It also shows you what went under the hood, how your website or app behaves by capturing network activity, console logs, JS errors, store actions/state, page speed metrics, cpu/memory usage and much more. Low footprint . With a 26KB (.br) tracker that…
read the full OpenReplay overview →
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Frequently asked questions
Is Sentry or OpenReplay more popular?
Sentry has 45,707 GitHub stars and OpenReplay has 13,098. Sentry has the larger community by that measure.
Are Sentry and OpenReplay free?
Neither Sentry nor OpenReplay 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 OpenReplay?
Sentry is written in Python and OpenReplay in TypeScript. 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 OpenReplay?
Choose Sentry if you want the larger community (45,707 stars) or its Custom / other licence terms. Choose OpenReplay if its feature set, stack or Custom / other licence fits better. Both are self-hostable.