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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.

Apache SkyWalking

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

  • Stars

    24,983

  • Last commit

    20 hours 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:

DataDog

Highlight

Real-time observability for modern web applications

  • Stars

    9,385

  • Last commit

    7 days 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:

DataDog
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