WinSCP

WinSCP is a popular free file manager for Windows supporting SFTP, FTP, FTPS, SCP, S3, WebDAV and local-to-local file transfers. It provides a user-friendly interface and powerful automation options like .NET assembly and batch file scripting. You can also use WinSCP for file editing, directory synchronization and site management. The program is open-source, well documented, and translated into many languages.

Features and functionalities include:
- support for Amazon S3, FTP, FTPS, SCP, SFTP or WebDAV
- all common operations with files
- integration with Windows, PuTTY and other applications
- scripting and task automation with batch file scripting, command-line interface and .NET assembly
- directory synchronization in several semi or fully automatic ways
- integrated text editor and support for external text editors
- graphical user interface with choice of Windows File Explorer-like or Norton Commander-like interfaces
- optionally supports portable operation using a configuration file instead of registry entries
- binary and text transfer modes, transfer queue and background transfers

WinSCP is a free and open-source software application that enhances productivity in file transfer and management tasks. It is compatible with most Windows versions and remains a popular choice among developers and system administrators for secure file transfers.