From Core FTP:
Core FTP Server is a secure FTP server with SSL, TLS, or FTPS, SSH or SFTP, HTTP/S support virtual paths, access rules, and certificate authentication. Core FTP Server is software for Windows that allows you to exchange files with others via networks and the internet. The FTP protocol allows files to be moved across the internet and networks with relative ease, regardless of computer platform. The server program is setup on your computer and allows access by others to your files. You control who accesses what files by setting up user accounts on the FTP server.