Sync.com - Sync. com offers a backup tool and a file sharing service, rolled into one.
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.
GMX File Storage - The GMX File Storage Manager allows your PC and your GMX File Storage to exchange data via the...
HTTPie - CLI HTTP that will make you smile. JSON support, syntax highlighting, wget-like downloads, extensions, and more.
Cloudu - Secure German online storage and file sync service. Apps for all major platforms.
Yummy FTP Pro - Pro-level, fast, reliable FTP/S + SFTP + WebDAV/S client.