Nagios is described as 'Powerful monitoring system licensed under Nagios Enterprises that helps organizations identify and resolve IT infrastructure issues' and is a popular Network Monitor in the network & admin category. There are more than 100 alternatives to Nagios for a variety of platforms, including Linux, Windows, Web-based, Self-Hosted and Mac apps. The best Nagios alternative is Zabbix, which is both free and Open Source. Other great apps like Nagios are Netdata, Beszel, Better Stack and Datadog.
Gather and analyze accurate statistics and performance metrics, visualize it, get notified about current and potential issues without delay, and take advantage of our time-tested professional development and support.
Netdata collects metrics per second and presents them in beautiful low-latency dashboards. It is designed to run on all of your physical and virtual servers, cloud deployments, Kubernetes clusters, and edge/IoT devices, to monitor your systems, containers, and applications.
Super fast monitoring of the system, and also of the monitors the kernel of the system.
Beszel is a lightweight server monitoring platform that includes Docker statistics, historical data, and alert functions.
AI-driven SRE platform offering real-time infrastructure monitoring, incident management, log analytics, traces, error tracking, metrics, real user monitoring, status pages, and a warehouse, with full data ingestion, centralized dashboard, custom alerts, and reduced costs.
Monitor and visualize your IT and DevOps environments seamlessly with over 120 integrations, enabling real-time insight across on-premise and cloud deployments. Utilize robust analytics, graphing, and correlation tools for error logging and network monitoring. Improve collaboration and proactive IT management.
Icinga is a fork of Nagios and is backward compatible. So, Nagios configurations, plugins and addons can all be used with Icinga. Though Icinga retains all the existing features of its predecessor, it builds on them to add many long awaited patches and features requested by the...
Makes it easy to administer Linux servers via a web browser. It allows you to easily perform simple tasks like storage administration, inspecting journals, starting & stopping services, monitoring & administering several servers at once.
Cockpit is great for what it does, but if a host is offline, all information about it is inaccessible.
Comprehensive monitoring solution with over 200 sensor types, user-friendly interface, and powerful capabilities such as traffic analysis, failover clustering, and remote probes. Offers email and SMS alerts, supports SNMP and WMI, provides high-availability features and detailed reporting.
I like PRTG as an alternative to Nagios, because it is powerful and offers three different solutions for users, based on their needs. A hosted, on-premise or an enterprise solutions, depending on your needs.
PRTG is highly flexible and fairly intuitive.
Free IT help desk software delivers network mapping, user ticket tracking, PC inventory management, contract and asset scanning, remote process control, automated cloud-based reporting, project management, and task prioritization for small and medium businesses.
TraceBar puts a live traceroute in your macOS menubar. It continuously monitors the network path to any host, showing every hop’s latency, packet loss, and route changes in real time.
LibreNMS is an autodiscovering PHP/MySQL based network monitoring system forked from Observium. LibreNMS aims to be easy to use, painless to deploy, and support monitoring of a wide range of devices. Observium's license changed to a modified QPL license in May 2012, and...
Best open source tool that I've tried! Easy to install, manage and low support.
So easy to setup, very powerful, and can use the Nagios plugins.
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Innovative UI and complex functions.