head to head · open source
Sentry vs PostHog
Sentry has 45,697 GitHub stars, 4,959 forks, 2,265 open issues and last shipped yesterday. PostHog has 40,600 stars, 3,579 forks, 5,637 open issues and last shipped yesterday. Sentry leads on adoption by 13% (45,697 vs 40,600 stars). Sentry is written in Python under a custom or non-standard licence; PostHog is written in Python under a custom or non-standard licence. Sentry has attracted 11% as many forks as stars, PostHog 9%. PostHog 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 | PostHog | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 41K |
| License | Custom / other | Custom / other |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 5.0K | ⑂ 3.6K |
| 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 PostHog if
- You want the PostHog feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Python
- You evaluated both and PostHog 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 PostHog
Docs Community Roadmap Why PostHog? Changelog Bug reports PostHog is the open source platform for building self driving products PostHog provides every tool you need to build a successful product, and captures all the context agents need to proactively diagnose problems, uncover opportunities, and ship fixes: Self driving mode: Turn signals in your product data (errors, rage clicks, failed queries, and more) into researched reports and pull requests you review and merge. Product analytics: Autocapture or manually instrument event based analytics to understand user behavior and analyze data with visualization or…
read the full PostHog overview →
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Frequently asked questions
Is Sentry or PostHog more popular?
Sentry has 45,697 GitHub stars and PostHog has 40,600. Sentry has the larger community by that measure.
Are Sentry and PostHog free?
Neither Sentry nor PostHog 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 PostHog?
Sentry is written in Python and PostHog in Python. 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 PostHog?
Choose Sentry if you want the larger community (45,697 stars) or its Custom / other licence terms. Choose PostHog if its feature set, stack or Custom / other licence fits better. Both are self-hostable.