Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
FileZilla Server - Download FileZilla Server 0.9.60.2 for Windows
nginx - A high performance free open source web server powering busiest sites on the Internet.
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.
lighttpd - A secure, fast, compliant, and very flexible web-server that has been optimized for high-performance environments
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.