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
IT Asset Tool is primarily focused on asset management with strong reporting features, making it suitable for organizations looking to manage their IT assets effectively. In contrast, Nagios excels in network monitoring and incident management, making it ideal for organizations that need real-time oversight of their IT infrastructure.