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.

FTPbox - FTPbox is an open-source application that allows you to synchronize your files to your own host...

PTFTP - Simplistic and intuitive explorer-like ftp client. Open source.

Letsupload - You can upload any type of files.

WinSCP - WinSCP is an open source free SFTP client and FTP client for Windows.

FTPSync.pl - FTPSync.pl is a PERL skript to synchronize a local directory tree and a remote FTP directory tree.