OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.
CompleteFTP by EnterpriseDT - CompleteFTP is a secure FTPS and SFTP server for Windows.
Bitvise SSH Server (WinSSHD) - WinSSHD is our SSH server for all Windows NT-series operating systems.
SFTPGo - Fully featured and highly configurable SFTP server with optional HTTP/S, FTP/S and WebDAV support - S3, Google Cloud Storage, Azure Blob
FileZilla Server - Download FileZilla Server 0.9.60.2 for Windows
BulletProof FTP Server - BPFTP Server is a powerful Windows FTP Server that's easy to install and manage.