Best Open Source Error Tracking Tools using Eslint in 2026

Sentry

Real-time error tracking and performance monitoring

Stars
43,631
Forks
4,655
Last commit
3 hours ago

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

Open Source Alternative to:

DataDog

HyperDX

Full-stack observability without the enterprise price tag

Stars
9,454
Forks
392
Last commit
4 hours ago

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

Open Source Alternative to:

DataDog

Highlight

Real-time observability for modern web applications

Stars
9,232
Forks
529
Last commit
5 days ago

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

Open Source Alternative to:

DataDog

Temps

Replace $500/mo SaaS with one self-hosted platform

Stars
415
Forks
18
Last commit
11 hours ago

Self-hosted deployment platform combining analytics, error tracking, and monitoring. Replace Vercel + Sentry + analytics tools with one binary on your VPS.

Open Source Alternative to:

Vercel

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Sentry

Real-time error tracking and performance monitoring

Stars
43,631
Forks
4,655
Last commit
3 hours ago

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

Open Source Alternative to:

DataDog

HyperDX

Full-stack observability without the enterprise price tag

Stars
9,454
Forks
392
Last commit
4 hours ago

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

Open Source Alternative to:

DataDog

Highlight

Real-time observability for modern web applications

Stars
9,232
Forks
529
Last commit
5 days ago

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

Open Source Alternative to:

DataDog

Temps

Replace $500/mo SaaS with one self-hosted platform

Stars
415
Forks
18
Last commit
11 hours ago

Self-hosted deployment platform combining analytics, error tracking, and monitoring. Replace Vercel + Sentry + analytics tools with one binary on your VPS.

Open Source Alternative to:

Vercel

Open Source Error Tracking Tools using Eslint

A curated collection of the best open source tools for tracking and managing software errors and bugs. using Eslint.