Titan FTP Server - Windows FTP Server with SFTP and SSL. Includes events automation, host key support, and strong security.
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.
FileZilla Server - Download FileZilla Server 0.9.60.2 for Windows
vsftpd - Very secure FTP Daemon, a secure, fast FTP server for UNIX systems, including Linux.
CompleteFTP by EnterpriseDT - CompleteFTP is a secure FTPS and SFTP server for Windows.
Swiss File Knife - Single file executable the can do a lot of useful activities. Based on command line execution.