Broke
Broke
http://www.transsoft.com/
Bulletproof Ftp Server
Bulletproof Ftp Server
http://www.bpftpserver.com/
Cerberus Ftp Server
The official home of cerberus ftp server. cerberus ftp server is a secure and easy-to-use windows ftp server
http://www.cerberusftp.com/
Ser U
Serv-u is the ftp server that is both secure and easy to use. sharing files through the internet is a smooth process with the industry's most popular ftp server. the clear and comprehensible interface makes easy work of all your file sharing and management, and the ssl connections between serv-u and your secure ftp clients will ensure that your data is encrypted.
http://www.serv-u.com/
Titan Ftp Server
Titan ftp server is an enterprise class, secure ftp server with highly granular configuration controls. secure, high performance ftp software. remote ftp server administration and server events management are available in the enterprise edition.
http://www.titanftp.com/products/titanftp/index.html
Warftp
Warftp
http://www.warftp.org/
Winsock Ftp Daemon
Winsock Ftp Daemon
http://www.wftpd.com/