WinScp : Best FTP and SFTP client for windows
WinSCP is an open source free SFTP client and FTP client for Windows. Its main function is the secure file transfer between local and remote computer.
It is one of the best SFTP and FTP client available in the market.
Download link : http://winscp.net/eng/download.php
Try FTP Manager Lite instead. It is one of the best free FTP client software[url]. The clean interface is super easy to use. It will perform your files transfers quickly and efficiently. It also supports FXP for super fast server to server transfers. It is perfect for backups or synchronizing servers.
http://www.deskshare.com/ftp-manager-free.aspx