There were three network monitoring systems represented at the event. Zenoss, OpenNMS, and GroundWork all had booths at SCALE.

Here are 26 network management tools based on open source and available at little or no cost.

“When you’re trying to put together an open source system for monitoring your network, you have a very rich field to choose from,” said Thomas Stocking, Founder of GroundWork Open Source.

After examining and setting up Zabbix, a scalable, open-source monitoring solution designed to track the performance and availability of IT infrastructure, including servers, networks, applications, ...

The trajectory for open-source network monitoring tools points towards exponential growth, pushing the boundaries of innovation. These open-source solutions, combining affordability, strength, and ...

Can you recommend any open source network-monitoring programs? Try Nagios (www.nagios.org), an open source network-monitoring application that runs on Linux and other Unix-based systems, and which ...

Learn how to configure the open source network monitoring tool Cacti to poll your routers, gather network data and provide graphs based on what you configured.

Vyatta is a software-based, open source, network operating system that can be ported to standard x86 hardware, as well as to common virtualization and cloud computing platforms.

There are some open source products, such as the Nagios service and network monitoring program, that are very popular with the Linux crowd.