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Open Source Performance Monitoring (APM) Tools using Java

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

Distributed tracing, metrics, logs, and GenAI monitoring in one
  • Stars


    24,958
  • Last commit


    3 days ago
  • License


    Apache-2.0
Open source observability platform covering distributed tracing, metrics, logs, profiling, and LLM cost tracking across 10+ languages with eBPF support on Kubernetes.

Open Source Alternative to:

Real-time observability for modern web applications
  • Stars


    9,375
  • 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:

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