NAV (Network Administration Visualized) is a free software program to monitor networks, developed by UNINETT and used by universities and corporations around the world.



SyWatchdog is described as 'Sys_watchdog keeps your *NIX servers green by performing periodic checks and optionally actions like service restarts and notifications (integrated with Slack Chat)' and is an app. There are more than 25 alternatives to SyWatchdog for a variety of platforms, including Linux, Web-based, Windows, Mac and Self-Hosted apps. The best SyWatchdog alternative is Zabbix, which is both free and Open Source. Other great apps like SyWatchdog are Netdata, Nagios, Datadog and Monitorix.
NAV (Network Administration Visualized) is a free software program to monitor networks, developed by UNINETT and used by universities and corporations around the world.



Easy to use configuration web interface for nagios and neamon. openITCOCKPIT is a perfomant monitoring system with support for distributed monitoring (Satellites), REST API, nice dashboards, maps, graphs and a modular concept for easy customization.




OpenNMS is an open-source network monitoring platform that helps you visualize and monitor everything on your local and distributed networks.




Cacti is a complete frontend to RRDTool, it stores all of the necessary information to create graphs and populate them with data in a MySQL database. The frontend is completely PHP driven. Along with being able to maintain graphs, data sources, and Round Robin archives in a...




Checkmk is a monitoring tool of servers, applications, networks, cloud, containers, storage, databases, IoT and more. Checkmk is available as Raw Edition, which is 100% pure open source, and as Enterprise Edition with a lot of additional features.




Observium is an autodiscovering PHP/MySQL/SNMP based network monitoring which includes support for a wide range of network hardware and operating systems including Cisco, Linux, FreeBSD, Juniper, Brocade, Foundry, HP and many more.




Open source observability platform. SigNoz helps developers find issues in their deployed applications & solve them quickly.





wavemon is a wireless device monitoring application that allows you to watch signal and noise levels, packet statistics, device configuration and network parameters of your wireless network hardware. It should work (though with varying features) with all devices supported by the...


vnStat is a console-based network traffic monitor for Linux and BSD that keeps a log of network traffic for the selected interface(s). It uses the network interface statistics provided by the kernel as information source.


Diagnose network performance problems in real-time with Intermapper, network monitoring software from HelpSystems. Powerful, reliable, and user-friendly, Intermapper helps network professionals stay ahead of outages by monitoring the performance of all your physical and virtual...




Server monitoring software for physical, virtual, and cloud-based IT. They also do email monitoring, application monitoring. The system is used to provide insight into server up-time and reduce outages.



