Open-Source Alternatives to PRTG

wgcloud is a comprehensive suite of monitoring and management tools designed for Linux servers, network devices, containers, and middleware. It functions as a centralized dashboard for tracking real-time hardware metrics, auditing the health of Docker and Kubernetes environments, and maintaining an IT asset management system for physical and cloud infrastructure. The platform is distinguished by its integrated remote administration capabilities, featuring a web-based SSH client for executing bulk commands and managing servers directly from a browser. It further differentiates itself with AI-d

LibreNMS is an SNMP network monitoring system and IT infrastructure management suite. It serves as an automated network discovery tool and infrastructure dashboard, enabling the identification and monitoring of network hardware and operating systems. The system differentiates itself through a rule-based alerting engine and a comprehensive IT incident workflow integration. It supports complex alert routing, including escalation sequences and direct ticket generation for project management and service desk platforms. Its observability capabilities cover multi-vendor hardware oversight, applica

ntopng is a web-based network traffic monitoring tool and flow data aggregator. It functions as a network security monitor, an SNMP network management system, and an industrial protocol analyzer for OT and SCADA environments. The system provides specialized inspection for industrial protocols such as Modbus, DNP3, and IEC 60870. It distinguishes itself through behavioral threat detection, encrypted traffic analysis via handshake fingerprinting, and the ability to identify hardware and operating systems using DHCP and MAC address patterns. Its broader capabilities include real-time traffic an

HertzBeat is an agentless monitoring platform designed to collect performance metrics from network devices, databases, and servers without requiring client software. It functions as an infrastructure monitoring dashboard, an alert management system, and a centralized log aggregator using the OpenTelemetry Protocol. The system utilizes a cloud-edge collection hierarchy to scale data gathering across clusters and isolated networks. It distinguishes itself with a flexible extensibility model, allowing users to define new monitoring workflows through configuration-based metric templates and custo

OneUptime is an open-source observability platform designed for monitoring service availability, infrastructure health, and application performance. It functions as a comprehensive system for tracking uptime and managing the end-to-end lifecycle of production incidents. The platform distinguishes itself through automated root cause analysis agents that identify failure triggers and generate code fixes via pull requests. It also provides branded public status pages to communicate real-time service availability and historical uptime data to end users. The system covers a broad range of operati

Zabbix is an enterprise-grade open-source platform for monitoring IT infrastructure, networks, and applications. It provides real-time metrics, alerts, and dashboards, enabling organizations to track performance and availability across their entire technology stack. The platform collects metrics from virtually any source, including agents, agentless protocols, APIs, containers, databases, and cloud platforms, without requiring custom scripting. It automatically discovers IT resources by scanning network ranges and cloud environments, then applies pre-built templates for immediate monitoring.

Checkmk - Best-in-class infrastructure & application monitoring

Cacti ™

Open source part of the centreon monorepoc

Netdata is a distributed observability platform designed for real-time infrastructure monitoring and performance tracking. It functions as a high-frequency agent that collects system, container, and application metrics with per-second precision, providing both local visualization and centralized aggregation across complex, multi-cloud environments. The platform distinguishes itself through edge-based intelligence, utilizing local machine learning models to automatically detect performance anomalies without requiring manual configuration or external query engines. Its architecture prioritizes

Prometheus is a comprehensive monitoring and alerting platform designed to track infrastructure health and application performance. It functions as a time series database that ingests, indexes, and queries high-frequency numerical data points. By utilizing a pull-based model, the system periodically collects multi-dimensional metrics from monitored targets, storing them in an optimized block storage format that supports high-throughput ingestion and efficient historical analysis. The platform distinguishes itself through a specialized query engine that enables real-time analysis of performanc

Uptime Kuma is a self-hosted monitoring platform designed to track the availability and performance of network services and websites. It functions as a centralized dashboard that executes asynchronous health checks on a scheduled interval, providing real-time visibility into infrastructure health and service uptime. The platform distinguishes itself through a dedicated notification engine that dispatches alerts across multiple third-party messaging services, alongside a public status page generator that allows users to communicate service health and historical metrics via custom domains. Its

The core of our monitoring platform with a powerful configuration language and REST API.

Main repository for munin master / node / plugins