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




NAV is described as '(Network Administration Visualized) is a free software program to monitor networks, developed by UNINETT and used by universities and corporations around the world' and is a Network Monitor in the network & admin category. There are more than 25 alternatives to NAV for a variety of platforms, including Linux, Windows, Web-based, Self-Hosted and SaaS apps. The best NAV alternative is Zabbix, which is both free and Open Source. Other great apps like NAV are Nagios, Datadog, Spiceworks and Netshow.
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...




Racktables is a nifty and robust solution for datacenter and server room asset management. It helps document hardware assets, network addresses, space in racks, networks configuration and much much more!



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.




Get the simplified and powerful IP Address Manager to Monitor IP Addresses, DHCP services, and DNS servers Test SolarWinds IP Address Manager.




Network Performance Monitor - Easy-to-use software that delivers real-time monitoring, alerting, and reporting for routers, switches, and other SNMP-enabled devices.








The automated IT performance monitoring platform that enables companies to easily and cost-effectively monitor their entire IT infrastructure stack.
Network Monitor is a commercial-grade network forensics and traffic analytics solution that provides deep network visibility, powering threat detection and efficient incident response.



Trafikito is free Linux servers monitoring solution which by default checks RAM, disk space, CPU and sends you an email if something is wrong.




Our open and flexible server and network monitoring solution delivers a unified view of your entire IT environment. Monitor up to 100,000 devices from a single server, with distributed and redundant solutions for nearly infinite scalability.



