Free, open-source alternatives to Sentry

Error tracking for apps. 5 apps you can run yourself instead of Sentry, sorted by how well they replace it. Each one is open source, so your data stays with you.

  1. GlitchTipBest match

    Error tracking app to collect errors reported by your app.

    167 starsMITUpdated 3 August 2026
  2. Sentry Self-Hosted

    Powerful error tracking platform with wide language support and a robust API.

    45.5k starsBUSL-1.1Updated 12 October 2026
  3. Bugsink

    Real-time error tracking for your applications with all the details in one place. Easy setup with clear instructions included.

    2.1k stars⊘ ProprietaryUpdated 8 October 2026
  4. Rustrak

    Error tracking server compatible with Sentry SDKs, using 32 MB of memory at idle with SQLite storage.

    204 starsGPL-3.0Updated 12 October 2026
  5. Telebugs

    Lightweight error tracker without a subscription (alternative to Sentry).

    ⊘ Proprietary

Side by side

AppStarsLicenseActivityRuns on
GlitchTip167MITPython, Docker, Kubernetes
Sentry Self-Hosted45,539BUSL-1.1Python
Bugsink2,121⊘ ProprietaryPython, Docker
Rustrak204GPL-3.0Rust, Docker
Telebugs-⊘ ProprietaryDocker

Why replace Sentry?

Sentry works, but your data lives in someone else's account, the price can change at any time, and features can disappear. An open-source app you run yourself is yours: you choose where it runs, who can see the data, and when to update.

Questions

What is the best free alternative to Sentry?

GlitchTip is the closest open-source replacement for Sentry in our list. Sentry Self-Hosted and Bugsink are worth a look too, depending on what you need.

Can I self-host an alternative to Sentry?

Yes. All 5 apps on this page are open source and can run on your own server, usually with Docker, or on a managed host that installs them for you.