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Open Source Performance Monitoring (APM) Tools using Esbuild

A curated collection of the best open source application Performance Monitoring tools for tracking application behavior. using Esbuild.

Unified observability for metrics, logs, traces, and more
  • Stars


    76,898
  • Last commit


    11 hours ago
  • License


    AGPL-3.0
Grafana unifies metrics, logs, traces, profiles, and business data into one OpenTelemetry-native platform with AI-assisted root cause analysis and adaptive cost controls.

Open Source Alternative to:

Real-time error tracking and performance monitoring
  • Stars


    44,839
  • Last commit


    11 hours ago
  • License


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

Open Source Alternative to:

Full-stack observability without the enterprise price tag
  • Stars


    9,912
  • Last commit


    22 hours ago
  • License


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

Open Source Alternative to:

Real-time observability for modern web applications
  • Stars


    9,377
  • Last commit


    1 month ago
  • License


    Apache-2.0
Comprehensive monitoring solution offering error tracking, session replay, and performance insights for seamless debugging and optimization.

Open Source Alternative to:

Comprehensive monitoring and incident management platform
  • Stars


    7,652
  • Last commit


    11 hours ago
  • License


    Apache-2.0
All-in-one solution for uptime monitoring, incident management, and status pages to keep your services running smoothly

Open Source Alternative to:

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