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Open Source Performance Monitoring (APM) Tools using npm

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

OpenObserve

Petabyte-scale observability, without the massive bill.

  • Stars

    22,444

  • Last commit

    4 hours ago

  • License

    AGPL-3.0
Monitor logs, metrics, and traces with an open-source observability platform. Achieve petabyte scale with 140x lower storage costs and high performance.

Open Source Alternative to:

DataDog

Checkmate

Beautiful open-source monitoring for modern infrastructure

  • Stars

    10,967

  • Last commit

    5 hours ago

  • License

    AGPL-3.0
Monitor servers, websites, Docker containers, and infrastructure with real-time insights, instant alerts, and powerful analytics. Self-hosted solution.

Open Source Alternative to:

BetterStack

OpenReplay

Self-hosted session replay with complete data control

  • Stars

    13,014

  • Last commit

    7 hours ago

  • License

    AGPL-3.0
Open-source session replay and product analytics platform you can self-host for complete control over data security, privacy, and compliance.

Open Source Alternative to:

Amplitude

Coroot

Full-stack observability without code changes

  • Stars

    7,977

  • Last commit

    4 hours ago

  • License

    Apache-2.0
Coroot simplifies system monitoring by providing metrics, logs, traces, and profiling with zero instrumentation, leveraging eBPF technology.

Open Source Alternative to:

Splunk

OneUptime

Comprehensive monitoring and incident management platform

  • Stars

    7,752

  • Last commit

    3 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:

Opsgenie

Logfire

AI
Powerful observability made simple for developers

  • Stars

    4,518

  • Last commit

    5 hours ago

  • License

    MIT
Logfire offers intuitive observability tools for Python applications, combining logs, profiling, and telemetry in one platform.

Open Source Alternative to:

DataDog

Uptrace

Open source observability platform for modern applications

  • Stars

    4,306

  • Last commit

    12 days ago

  • License

    AGPL-3.0
Uptrace is an OpenTelemetry-based platform that integrates traces, metrics, and logs to help monitor and optimize complex distributed systems.

Open Source Alternative to:

DataDog
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