PRTG Network Monitor Alternatives for Linux

Zabbix is a robust enterprise-class open-source solution for real-time monitoring of millions of metrics collected from tens of thousands of servers, virtual machines, and network devices. It provides a highly flexible and scalable platform for comprehensive IT infrastructure monitoring.

Nagios Core is a powerful, open-source monitoring system designed to keep a vigilant eye on your IT infrastructure. It provides comprehensive surveillance of systems, networks, and hardware, ensuring critical services remain operational and alerting administrators to potential issues before they impact end-users.

Datadog is a leading cloud-scale monitoring and analytics platform that unifies data from across your infrastructure, applications, logs, and networks. It provides comprehensive visibility and actionable insights for DevOps teams, IT professionals, and business users alike.

NetCrunch is a powerful, single-server network monitoring platform designed for comprehensive visibility into your IT infrastructure. It provides robust and scalable network monitoring capabilities, including performance analysis, application monitoring, and automated network discovery, all managed from a Windows Server-based deployment for high efficiency.

Munin is a free and open-source networked resource monitoring tool designed to help users analyze resource trends and identify performance bottlenecks. It offers a simple yet powerful way to visualize the health of servers, applications, and network devices over time.

Pandora FMS offers comprehensive monitoring for networks, servers, applications, and cloud environments within an enterprise context. It provides a flexible and scalable platform for IT operations teams to ensure business continuity and optimize performance through detailed insights, alerts, and reporting.

BitMeter OS is a comprehensive, free, and open-source network bandwidth monitoring application available for Windows, Linux, and macOS. It provides detailed real-time and historical data on your internet traffic.

Observium is an auto-discovering network monitoring platform designed for low-maintenance operation. It offers comprehensive visibility into a wide range of network devices, operating systems, and applications through intuitive graphical interfaces and extensive platform support.

Cacti is a comprehensive network graphing and monitoring solution built upon the power of RRDTool. It provides a flexible and scalable platform for collecting, storing, and visualizing time-series data, making it an essential tool for network administrators to gain insights into performance and identify potential issues.

LibreNMS is a powerful and user-friendly open-source network monitoring system based on PHP and MySQL. It automates the discovery and monitoring of network devices, servers, and applications, providing comprehensive visibility into network health and performance.