AS3 Cloud File Manager
Available as a free download (download button is lower down the page) with paid support
This extension package for Joomla! 3 allows you to manage cloud files stored on Amazon S3 or Dropbox. You can view your Amazon S3 objects and buckets from your Joomla admin. You can upload and delete objects, and create and delete buckets.You can view, upload and delete your Dropbox files from your Joomla admin
You can create download files and packages (consisting of multiple files), for free or for sale. The download files and packages obey the normal Joomla ACL, so you can restrict files to particular groups if you wish.
If you want to sell digital downloads you can use our download plugin for Virtuemart which is compatible with AS3 Manager.
Requires Joomla 3.