NetBox is a free and open source tool (Apache 2.0 license) used to model a network's entire presence through the use of purpose-built models, built to serve the needs of network engineers and operators.
The API is just very well designed. All tools say that what you can do with webUI, you can also do it via the REST API. That is usually not the case except for Netbox, where you can really do everything with the API. For instance with GLPI, you cannot get rack and rack units ā¦