GuildFTPd has autobanning, an events manager, IRC support, plugin support, virtual file system, passive IP port selection to be used behind routers, buffer size control, remote administration via site commands, and much much more.
Titan FTP Server is a powerful secure multi-threaded FTP Server for Windows. Features secure file transfers using SSL; Virtual Folders; file & directory permissions, disk quotas, UL/DL ratios, bandwidth throttling, local and remote administration.
Advanced, secure and easy to use FTP Server. Featuring remote admin, security protection options, disk quota limits, bandwidth restrictions, IP restrictions, virtual folders, resume support, real time activity viewer, real time control and much more.
Easy File Sharing FTP Server is a very easy to use FTP Server that allows visitors to download/upload/remove/create files/folders easily through a Web Browser (Internet Explorer, Mozilla) or an FTP Client such as CuteFTP.
Serv-U is a powerful, easy-to-use, award-winning FTP server. An FTP server uses the FTP protocol to share files across the Internet. Serv-U is not only 100% compliant with the current FTP standard, but also includes enhancements.