WinSCP free SFTP client and FTP client
WinSCP free SFTP client and FTP client

WinSCP is an open source free SFTP client and free FTP client for Windows. Legacy SCP protocol is also supported.  WinSCP is mostly a one-man project: Martin Prikryl.
WinSCP 4.1.7 File Downloads:

[ mirror 1 ,  winscp.net ]
[ mirror 2 ,  dfn.dl.sourceforge.net ]
[ mirror 3 ,  softpedia.com ]

WinSCP free FTP client and SFTP client Features:

Support for SFTP [...]