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6 Best Open Source Raygun Alternatives

A curated collection of the 6 best open source and self-hosted alternatives to Raygun in 2026.

Looking for a free, privacy-friendly, or self-hosted replacement for Raygun in 2026? The top open-source alternative is Sentry — Detect, diagnose, and resolve software issues quickly with powerful error tracking, performance monitoring, and release management..

Other highly rated open-source Raygun alternatives include OpenReplay, HyperDX and Highlight.

44,628

Detect, diagnose, and resolve software issues quickly with powerful error tracking, performance monitoring, and release management.

Sentry preview

Detect, diagnose, and resolve software issues quickly with powerful error tracking, performance monitoring, and release management.

12,583

Open-source session replay and product analytics platform you can self-host for complete control over data security, privacy, and compliance.

OpenReplay preview

Open-source session replay and product analytics platform you can self-host for complete control over data security, privacy, and compliance.

9,865

Open source observability platform unifying session replays, logs, traces, metrics and errors. Fast search, automatic clustering, $0.40/GB pricing.

HyperDX preview

Open source observability platform unifying session replays, logs, traces, metrics and errors. Fast search, automatic clustering, $0.40/GB pricing.

9,370

Comprehensive monitoring solution offering error tracking, session replay, and performance insights for seamless debugging and optimization.

Highlight preview

Comprehensive monitoring solution offering error tracking, session replay, and performance insights for seamless debugging and optimization.

2,037

Bugsink offers real-time error tracking with self-hosting capabilities, allowing easy installation and connection to any app using Sentry-compatible SDKs.

Bugsink preview

Bugsink offers real-time error tracking with self-hosting capabilities, allowing easy installation and connection to any app using Sentry-compatible SDKs.

688

Self-hosted platform for small dev teams combining deployments, error tracking, analytics, session replay, uptime monitoring, and managed databases in one dashboard.

Temps preview

Self-hosted platform for small dev teams combining deployments, error tracking, analytics, session replay, uptime monitoring, and managed databases in one dashboard.

About Raygun

Crash reporting and performance monitoring platform that tracks errors, crashes, and real user interactions across web and mobile apps, giving development teams the data to find and fix issues fast.