FileZilla Server - Download FileZilla Server 0.9.60.2 for Windows
CompleteFTP by EnterpriseDT - CompleteFTP is a secure FTPS and SFTP server for Windows.
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.
SFTPGo - Fully featured and highly configurable SFTP server with optional HTTP/S, FTP/S and WebDAV support - S3, Google Cloud Storage, Azure Blob
SFTPPlus - Server & client software for managed file transfers.
Xlight FTP Server - Xlight FTP Server is a high performance and easy to use ftp server software for Windows.