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Self-hosted Performance Monitoring (APM) Tools

A curated collection of the best self-hosted application Performance Monitoring tools for tracking application behavior..

Grafana

Unified observability for metrics, logs, traces, and more

  • Stars

    77,921

  • Last commit

    7 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:

DataDog

Netdata

The fastest path to full stack observability

  • Stars

    81,428

  • Last commit

    4 hours ago

  • License

    GPL-3.0
Real-time observability platform with agentic AI troubleshooting for infrastructure, containers, Kubernetes, databases, logs and traces.

Open Source Alternative to:

DataDog

Sentry

Real-time error tracking and performance monitoring

  • Stars

    45,782

  • Last commit

    4 hours ago

  • License

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

Open Source Alternative to:

DataDog

SigNoz

Open-source observability platform for cloud-native apps

  • Stars

    32,654

  • Last commit

    3 hours ago

  • License

    MIT
Comprehensive monitoring and troubleshooting solution for microservices architectures, offering metrics, traces, and logs in a single pane.

Open Source Alternative to:

DataDog

Apache SkyWalking

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

  • Stars

    25,006

  • Last commit

    7 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

OpenObserve

Petabyte-scale observability, without the massive bill.

  • Stars

    23,065

  • 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

    11,057

  • Last commit

    1 day 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

    13,148

  • Last commit

    2 days 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:

Mixpanel

HyperDX

Full-stack observability without the enterprise price tag

  • Stars

    10,041

  • Last commit

    2 days 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:

DataDog

Highlight

Real-time observability for modern web applications

  • Stars

    9,390

  • Last commit

    23 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

Coroot

Full-stack observability without code changes

  • Stars

    8,019

  • Last commit

    3 days 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

    7,821

  • 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:

DataDog

Uptrace

Open source observability platform for modern applications

  • Stars

    4,315

  • Last commit

    1 day 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

Maple

OpenTelemetry observability with traces, logs, and metrics

  • Stars

    Stars growing over the last 30 days1,962

  • Last commit

    3 hours ago

  • License

    Unknown
Observability platform built on OpenTelemetry and ClickHouse. Collect, visualize, and query distributed traces, logs, and metrics, with an MCP server for AI agent diagnostics.

Open Source Alternative to:

DataDog
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