GMX File Storage - The GMX File Storage Manager allows your PC and your GMX File Storage to exchange data via the...
BoxCryptor - Boxcryptor encrypts your sensitive files before uploading them to cloud storage services like Dropbox, Google Drive, Microsoft OneDrive, Box, and many others.
Cloudu - Secure German online storage and file sync service. Apps for all major platforms.
Mega - Secure File Storage and collaboration
CloudBerry Box - CloudBerry Box provides bi-directional synchronization of data across remote computers.
Google Drive - Access and sync your files anywhere