IglooFTP PRO
Iglooftp is an award winning ftp client. its main features are to be easy to use and intuitive when used by novice, but powerful and fully configurable in the hand of experienced users. with its innovative session management engine and its improved windows explorer interface iglooftp offers the easiest as the fastest way to connect to multiple servers, and to transfer multiple files, all in the same time. iglooftp not only features simultaneous ftp / fxp sessions, advanced ftp / fxp operations, fxp transfers, full ftp / fxp transfer resume, ftp directory caching, url clipboard monitoring, enhanced firewall support, drag & drop, but much, much more.
http://www.iglooftp.com/linux/index.html
GFTP
Gftp is a free multithreaded ftp client for *nix based machines running x11r6 or later.
http://gftp.seul.org/
AxY FTP
AxY FTP
http://www.wxftp.seul.org/
LFTP
LFTP
http://lftp.yar.ru/
NanoFTPd
nanoFTPd
http://nanoftpd.sourceforge.net/
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.
http://www.proftpd.org/
Oftpd
oftpd
http://www.time-travellers.org/oftpd/
NcFTP Client
NcFTP Client
http://www.ncftp.com/ncftp/
Vsftpd
Secure, fast ftp server for unix systems
http://vsftpd.beasts.org/