Nagios known as Nagios Core, is a free and open source computer-software application that monitors systems, networks and infrastructure. Developed by Nagios Enterprises
License: Open Source
Domotz is tailored for remote network monitoring with a user-friendly interface and automated features, making it ideal for managed service providers. In contrast, Nagios, being an open-source solution, offers extensive customization and a robust plugin system, appealing to organizations with the technical expertise to manage and configure it.