Wix is a website builder that offers users a wide range of templates designed for every purpose contributed by different developers. It provides a drag-and-drop interface allowing users to arrange textboxes, photos, and shapes without any coding knowledge. Some key advantages of Wix include not needing website programming knowledge, being able to try it for free before paying, having over 200 templates to choose from to design your site's look and feel, and simple editing through an intuitive interface.