Best Linux Monitoring Software

Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitrary data

High-performance time-series database for real‑time analytics

Simple and easy-to-use Python logging library

Open-source observability for logs, metrics and traces

Monitoring system and time series database

Enterprise‑grade open‑source monitoring for networks, servers and applications

OpenTelemetry-native APM that unifies traces, metrics, and logs on top of ClickHouse.

Real-time system monitoring and performance troubleshooting

Cross‑platform real‑time system monitoring for admins and DevOps

Advanced Node.js process manager for production environments

Fast, header-only C++ logging library for high-performance applications

Fast, real‑time web log analyzer for system administrators

Visualize and manage Redis data with an intuitive GUI

Ultra-lightweight, self-hosted server and Docker/Podman monitoring hub

Unified IT infrastructure monitoring across servers, networks, containers, and cloud

Free, open-source infrastructure monitoring engine for servers, networks, and services on Linux.