sftp:
WinSCP
WinSCP is an open source free SFTP client, FTP client, WebDAV client, S3 client and SCP client for Windows. Its main function is file transfer between a local and a remote computer. Beyond this, WinSCP offers scripting and basic file manager functionality.
Cyberduck
https://cyberduck.io/
Cyberduck is a libre server and cloud storage browser for Mac and Windows
MobaXterm
https://mobaxterm.mobatek.net/
When you log to a remote server using SSH, a graphical SFTP browser pops up on in the left sidebar. It allows you to drag and drop files directly from/to the remote server using a secure SFTP connection