  |
http://www.proftpd.org/ - http://www.proftpd.org/
Designed from the ground up for security, configurability and ease of administration. |
  |
http://vsftpd.beasts.org/ - http://vsftpd.beasts.org/
The "Very Secure FTPD" is a *nix (Unix, Linux) FTP Server. Used by ftp.kernel.org |
  |
http://www.ncftp.com/ncftpd/ - http://www.ncftp.com/ncftpd/
Designed especially for high-traffic sites and internet service providers. |
  |
http://www.glftpd.com - http://www.glftpd.com
This is a full-featured free FTP server for *nix systems with integrated administrative and statistics features. |
  |
http://www.jscape.com/secureftpserver/ - http://www.jscape.com/secureftpserver/
Platform independent FTP server with support for FTP/S and HTTP/S protocols. |