https://www.vandyke.com/products/vshell/index.html
VShell Secure File Transfer Server - SFTP, FTPS, HTTPS | VanDyke Software
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https://www.sftpplus.com/articles/platforms/windows
Windows Server | Secure file transfer software
SFTPPlus is a server and client cross platform software to manage file transfer using SFTP FTP HTTPS protocols. With extended audit and automation features.
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