Filezilla always works. I can't say that about winscp.
To configure SFTP in FileZilla, open the client and go to "File" > "Site Manager." Click "New Site," then select "SFTP" as the protocol from the dropdown menu. Enter the host’s IP address, your username, and password; for port, use 22 (the default for SFTP). Finally, click "Connect" to establish the SFTP connection.
WinSCP is a ftp, scp and sftp client that is make for Windows, not Mac. However, there are several alternatives available for the Mac that perform the same function very well.
Swish - SFTP client - was created in 2007.
The SCP (secure copy) utility copies an ordinary or directory file from one system to another on a network SFTP is a secure FTP Client.
sftp works pretty much the same way as regular ftp, except that it utilizes port 22 and uses an encrypted stream for the actual file transfer. So, if you know how to use ftp you know how to use sftp as well..
When downloading public files
There are a few different FTP clients for the Mac OS-X. Transmit is a shareware software which costs around $30 but it is designed specifically for Mac making it more intuitive for the target users. FireFTP is great as it will work the same on any Operating System that can run FireFox making it the same functionality on any platform.
TCP
Like SCP, SFTP also piggybacks on SSH and utilizes tcp port 22 as its standard port.
The best free FTP client are JSCAPE's AnyClient. It is a free platform independent file transfer application that supports all major file transfer protocols including FTP/S, SFTP, WebDAV/S, Amazon S3 and AFTP It is available both as a web based and downloadable application.
SFTP clients for Windows is used to securely transfer and access files. It uses encryption of both data and commands to ensure secure transfer over any network.
sftp would be SECURE ftp. meaning, the data would be encrpted during transfer, thereby keeping the data safe during transport. Only the receiver would have the means to unencrypt it.