Zenoss Zenoss is a 100% Open Source application for network monitoring written in Python using the Zope framework. How does Zenoss (the company) make money?

Continuing our quest for robust, enterprise-grade open source network monitoring, we tested Icinga Core 2 (version 2.8.1) and the stand-alone Icinga Web 2 interface.

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.

From network and server monitoring to trending, graphing and even switch and router configuration backups, these utilities will see you through.

Over the last decade or so, open source development has skyrocketed, and network management software has ridden that wave. Many frustrated IT administrators have turned to free tools to monitor ...