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7 Best Open Source Bugsnag Alternatives

A curated collection of the 7 best open source and self-hosted alternatives to Bugsnag in 2026.

Looking for a free, privacy-friendly, or self-hosted replacement for Bugsnag in 2026? The top open-source alternative is PostHog — All-in-one product analytics platform. Track user behavior, run experiments, and make data-driven decisions to grow your product..

Other highly rated open-source Bugsnag alternatives include Sentry, SigNoz and HyperDX.

39,294

All-in-one product analytics platform. Track user behavior, run experiments, and make data-driven decisions to grow your product.

PostHog preview

All-in-one product analytics platform. Track user behavior, run experiments, and make data-driven decisions to grow your product.

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.

31,936

Comprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane.

SigNoz preview

Comprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane.

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.

4,270

Uptrace is an OpenTelemetry-based platform that integrates traces, metrics, and logs to help monitor and optimize complex distributed systems.

Uptrace preview

Uptrace is an OpenTelemetry-based platform that integrates traces, metrics, and logs to help monitor and optimize complex distributed systems.

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.

About Bugsnag

An error monitoring and reporting software with best-in-class functionality for mobile apps. The tool alerts users of bugs, errors & more.