Which of the following is NOT a software licensing category?

The reasoning behind identifying "End User Licensing Agreement" (EULA) as not a software licensing category lies in the distinction between types of software licenses and agreements. A public domain refers to works that are free for anyone to use without restrictions, freeware consists of software that is available at no cost but typically with specific usage rights, and shareware is a distribution model that allows users to try software for free before purchasing it.

An End User Licensing Agreement, however, is not a category of software license but rather a legal contract between the software developer or publisher and the end user. It outlines how the software can be used and the rights and limits imposed on the user. Therefore, understanding that a EULA serves as an agreement that enforces the terms associated with other licensing categories clarifies why it does not belong to the same group.