This portal talks about addons (other applications and scripts) that can be used to extend or enhance the Dropbox experience. Most articles contain walkthrough instructions on how to setup and use these scripts. Addons could vary from web applications that sync files using Dropbox to scripts that change the look of the Dropbox web interface.
Automatic scheduled transfers between your FTP or SFTP servers, Box.com, MySQL and other databases, Microsoft SkyDrive, Google Drive, and Dropbox accounts. Visit their website at https://www.mybackupbox.com.