GMX File Storage - The GMX File Storage Manager allows your PC and your GMX File Storage to exchange data via the...
Google Drive - Access and sync your files anywhere
Cloudu - Secure German online storage and file sync service. Apps for all major platforms.
Dropbox - Online Sync and File Sharing
CloudBerry Box - CloudBerry Box provides bi-directional synchronization of data across remote computers.
Box - Box offers secure content management and collaboration for individuals, teams and businesses, enabling secure file sharing and access to your files online.