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Open Source Performance Monitoring (APM) Tools using Golang

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

Unified observability for metrics, logs, traces, and more
  • Stars


    76,867
  • Last commit


    3 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:

Real-time monitoring for systems and applications
  • Stars


    80,629
  • Last commit


    5 hours ago
  • License


    GPL-3.0
Powerful, efficient, and user-friendly monitoring solution for servers, containers, and applications with instant insights and alerts.

Open Source Alternative to:

Open-source observability platform for cloud-native apps
  • Stars


    32,173
  • Last commit


    4 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:

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


    24,961
  • Last commit


    17 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:

Self-hosted session replay with complete data control
  • Stars


    12,891
  • 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:

Full-stack observability without the enterprise price tag
  • Stars


    9,912
  • Last commit


    3 hours 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:

Real-time observability for modern web applications
  • Stars


    9,376
  • 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:

Full-stack observability without code changes
  • Stars


    7,934
  • Last commit


    11 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:

Comprehensive monitoring and incident management platform
  • Stars


    7,645
  • Last commit


    4 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:

Open source observability platform for modern applications
  • Stars


    4,290
  • Last commit


    1 month 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:

OpenTelemetry observability with traces, logs, and metrics
  • Stars


    1,791
  • 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:

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