Best Monitoring & APM GitHub Repositories

Open-source, self-hosted alerting for metrics, logs, and databases. Includes a built-in AI agent and MCP server.

Continuous Profiling Platform. Debug performance issues down to a single line of code

Cross-platform lib for process and system monitoring in Python

Open-source cron job and background task monitoring service, written in Python & Django

:trollface: Self-hosted, lightweight server and website monitoring and O&M tool

Prometheus Operator creates/configures/manages Prometheus clusters atop Kubernetes

Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by ClickHouse and OpenTelemetry.

Libre Hardware Monitor is free software that can monitor the temperature sensors, fan speeds, voltages, load and clock speeds of your computer.

Open-source status page, incident response and uptime monitoring

Prometheus Alertmanager

Coroot is an open-source observability and APM tool with AI-powered Root Cause Analysis. It combines metrics, logs, traces, continuous profiling, and SLO-based alerting with predefined dashboards and inspections.

OpenTelemetry Collector

An AI-powered next-generation open source real-time observability system.

Cost monitoring for Kubernetes workloads and cloud costs

Instant Kubernetes-Native Application Observability

A simple server monitor tool.

Add-on agent to generate and expose cluster-level metrics.

Log activity inside your Laravel app

A horizontally scalable, highly available, multi-tenant, long term Prometheus.

Next-generation AI Agent Optimization Platform: Cozeloop addresses challenges in AI agent development by providing full-lifecycle management capabilities from development, debugging, and evaluation to monitoring.