Top 13 open source APM tools in 2021

This page summarizes the projects mentioned and recommended in the original post on

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  • signoz

    SigNoz is an open-source APM. It helps developers monitor their applications & troubleshoot problems, an open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open source Application Performance Monitoring (APM) & Observability tool

    Logs, metrics, and traces form the three cornerstones of full-stack APM tools. In that scenario, a tool like SigNoz can serve all your needs for application monitoring. As the instrumentation is based on OpenTelemetry, you also have the added advantage of not being locked into any product. You can try out SigNoz by visiting its GitHub repo 👇

  • Graphite

    A highly scalable real-time graphing system

    🌐 Website 💻 GitHub

  • Scout APM

    Less time debugging, more time building. Scout APM allows you to find and fix performance issues with no hassle. Now with error monitoring and external services monitoring, Scout is a developer's best friend when it comes to application development.

  • Pinpoint

    APM, (Application Performance Management) tool for large-scale distributed systems.

    🌐 Website 💻 GitHub

  • prometheus

    The Prometheus monitoring system and time series database.

    🌐 Website 💻 GitHub

  • JavaMelody

    JavaMelody : monitoring of JavaEE applications

    💻 GitHub

  • Stagemonitor

    an open source solution to application performance monitoring for java server applications

    🌐 Website 💻 GitHub

  • scouter

    Scouter is an open source APM (Application Performance Management) tool.

    💻 GitHub

  • SonarLint

    Clean code begins in your IDE with SonarLint. Up your coding game and discover issues early. SonarLint is a free plugin that helps you find & fix bugs and security issues from the moment you start writing code. Install from your favorite IDE marketplace today.

  • zipkin

    Zipkin is a distributed tracing system

    🌐 Website 💻 GitHub

  • jaeger

    CNCF Jaeger, a Distributed Tracing Platform

    🌐 Website 💻 GitHub

  • skywalking

    APM, Application Performance Monitoring System

    🌐 Website 💻 GitHub

  • apm-server

    APM Server

    🌐 Website 💻 GitHub

  • App.Metrics

    App Metrics is an open-source and cross-platform .NET library used to record and report metrics within an application.

    🌐 Website 💻 GitHub

  • Glowroot

    Easy to use, very low overhead, Java APM

    🌐 Website 💻 GitHub

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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