WinSCP is a file transfer utility that can act as an SFTP, WebDAV, SCP, FTP, and TFTP client. It features multi-platform support and a multi-language user interface that makes it easy to learn and use. It is fast, secure, and easy to install. WinSCP supports all popular operating systems, including Windows, Mac OS X, and Linux. It's free, opensource, and very easy to use. In particular, it provides very good and flexible encryption functionality. This makes it easy to transfer files with WinSCP even over a slow, unreliable network like the internet, or simply between computers at the office.