Bulk organise your media attachments, custom post types, pages and posts into folders. A perfect addition to sites with large amounts of pages, posts
Upload documents, create folders, embed documents in the posts by the WordPress admin panel.
The EW Gallery Plugin allows you to organize photos and YouTube videos on your WordPress website into folders and display each folder in its own Jssor
You can make sub-directories in the upload directory, and move files into them.
GoogleDrive folder list allows you to insert a document list from any shared folder in Google Drive without Google authentication.
Maybe the second-best Gallery plugin for WordPress
Protect folders and files from unhautorized changes managing filesystem permissions.
Very basic and private file storage for groups.
Simple plugin that checks your WordPress install and shows your file permissions, size, and last modified date.
Displays a hierarchial tree, similar to widows explorer folder tree. Can be used as a geneological tree , a file tree, you decide.
Any images, photos, pictures from your DropBox Public folder now are accessible to view in sidebar gallery of your blog.