Xavier Media

This plugin will do a backup of your WordPress database and, or your files in wp-content/uploads and saves 
it somewhere safe. You can have the backup saved in your <a href="http://db.tt/9Jo39Xy" rel="nofollow ugc">Dropbox account</a>, a FTP account of your choise, your 
account with <a href="http://www.securepaynet.net/email/online-file-storage.aspx?ci=1796&prog_id=xaviermedia&isc=xmbackup" rel="nofollow ugc">Online File Folder</a>, or have the backup emailed to you (not recommended for large files). You can 
select to have the backups named the same every day or to have a date added to each file name.
This plugin requires PHP, cURL, PHP compiled with ZIP support, and Oauth (for Dropbox).
** NO WARRANTY SUPPLIED! **
** Make sure you test your Backups! **

XM-Backup

Does a backup of your Wordpress database and, or your files in wp-content/uploads and saves it in a safe location.

minnur

Import files from or create external links from third-party services into WordPress Media Library (Dropbox, Box, OneDrive, Google Drive and any other external file from URL).
<blockquote>
<a href="https://downloads.minnur.com/wordpress/external-media-premium" rel="nofollow ugc">External Media Premium</a> is a premium version of this plugin with support for Unsplash, Instagram, Pexels, Pixabay and AWS.
</blockquote>
This plugin provides convenient way of linking and using files from the services listed above. It is intuitive, controls located where you expect them to be. For instance if you would like to create a link to your file in your Dropbox account, just press Add Media and choose Insert from URL media tab and then click Link to Dropbox button.
The plugin provide two options: 
– Insert from URL (this will link to a file located on one of the services) 
– Import file (this will upload a file from a remote service and store the file in WordPress)
Note: Imported files from a remote services become a permanent file and changes made to the file on the service won’t reflect on the site. You would have to re-import the file using External Media plugin.
The plugin won’t upload the same file twice, instead it will check if the file already exists in your WordPress site and re-use it.

External Media

Import files from thrid-party services into Wordpress Media Library (Dropbox, Box, OneDrive, Google Drive, and any external file).

XM-Backup vs External Media