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.
ProFTPD - The Official ProFTPD web site. ProFTPD is a high-performance, extremely configurable, and most of all a secure FTP server, featuring Apache-like configuration and blazing performance.
FileZilla - FileZilla is an FTP, or file transfer protocol, client. It lets individuals transfer single files or batches to a web server. For many years, FTP was the standard for website design. Read more about FileZilla.
Titan FTP Server - Windows FTP Server with SFTP and SSL. Includes events automation, host key support, and strong security.
Pure-FTPd - Pure-FTPd is a free (BSD), secure, production-quality and standard-conformant FTP server.