We find Nagios Fusion's open-source nature most valuable. The software is free, and we only pay for server hosting. Being open source lets us customize it for our monitoring needs, saving us money.

Nagios Fusion version 12.8 excels in user-friendly GUI design, cost-effectiveness, and ease of deployment. These factors contribute to a seamless experience for customers, allowing them to efficiently utilize the product's features without encountering challenges or complications.

It's very easy to manage and monitor it. It is a simple software solution, but it's enough for my needs.