FileBase is a very useful WordPress plugin to organize thousands
of your media files in the media library. It is similar to
wordpress categories like in the posts. It allows you to create an
individual and unlimited folder structure in the WordPress media
library view.
The best of this plugin is that the native WordPress media
management system is used to organize all of your existing media
files like Images, Audios and PDFs.
If you buy, you get:
Forever FREE updates and high quality and fast
support.
Envato Market licensing: Extended license
doesn’t cover multiple uses. You need to
purchase a regular or an extended license for every site.