Dbmc
Kodi addon for Dropbox
... removed or changed locally (on a new new sync they will be put back)
Important: If you are on a platform, for which the native Dropbox Application is available, use that! That is a much better working, more stable and more safe than this service. This service has been created for the platforms which are not supported by Dropbox (like Raspbmc).
Check the Dropbox site for their native Application.