GMX File Storage - The GMX File Storage Manager allows your PC and your GMX File Storage to exchange data via the...

FileZilla - FileZilla is an FTP, or file transfer protocol, client. It lets individuals transfer single files or batches to a web server. For many years, FTP was the standard for website design. Read more about FileZilla.

Cloudu - Secure German online storage and file sync service. Apps for all major platforms.

Transmit - Transmit is an FTP client for Mac OS X and Mac OS Classic (which is unsupported).

Yandex.Disk - Files on Yandex.Disk won't get lost if your phone or computer breaks.

HTTrack - HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility.