WinSCP
Overview
 
WinSCP is a free and open source
Free and open source software
Free and open-source software or free/libre/open-source software is software that is liberally licensed to grant users the right to use, study, change, and improve its design through the availability of its source code...

 SFTP
SSH file transfer protocol
In computing, the SSH File Transfer Protocol is a network protocol that provides file access, file transfer, and file management functionality over any reliable data stream...

, SCP
Secure copy
Secure Copy or SCP is a means of securely transferring computer files between a local and a remote host or between two remote hosts. It is based on the Secure Shell protocol....

, and FTP
File Transfer Protocol
File Transfer Protocol is a standard network protocol used to transfer files from one host to another host over a TCP-based network, such as the Internet. FTP is built on a client-server architecture and utilizes separate control and data connections between the client and server...

 client for Microsoft Windows
Microsoft Windows
Microsoft Windows is a series of operating systems produced by Microsoft.Microsoft introduced an operating environment named Windows on November 20, 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces . Microsoft Windows came to dominate the world's personal...

. Its main function is secure file transfer between a local and a remote computer
Remote computer
A remote computer is a computer to which a user does not have physical access, but which he or she can access or manipulate via some kind of network....

. Beyond this, WinSCP offers basic file manager
File manager
A file manager or file browser is a computer program that provides a user interface to work with file systems. The most common operations performed on files or groups of files are: create, open, edit, view, print, play, rename, move, copy, delete, search/find, and modify file attributes, properties...

 and file synchronization
File synchronization
File synchronization in computing is the process of ensuring that computer files in two or more locations are updated via certain rules....

 functionality. For secure transfers, it uses Secure Shell (SSH
Secure Shell
Secure Shell is a network protocol for secure data communication, remote shell services or command execution and other secure network services between two networked computers that it connects via a secure channel over an insecure network: a server and a client...

) and supports the SCP protocol in addition to SFTP. It received 5 out of 5 stars for CNET
CNET
CNET is a tech media website that publishes news articles, blogs, and podcasts on technology and consumer electronics. Originally founded in 1994 by Halsey Minor and Shelby Bonnie, it was the flagship brand of CNET Networks and became a brand of CBS Interactive through CNET Networks' acquisition...

 editors' rating and is ranked #2 in FTP software.

Development of WinSCP started around May 2000 and continues.
 
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