FireFTP!

Cyberduck is an open source FTP client.

"Dual pane file manager and SFTP/FTP client for Mac OS XForkLift is designed to be the fastest, most powerful file manager for the Mac. Connect to FTP or SFTP servers, manage your Amazon S3 account or your mobile devices over Bluetooth. All these features are beautifully integrated into a sophisticated, yet easy to use Cocoa based interface. Dual-pane view will dramatically increase your productivity along with state-of-the-art features like live preview, spring loaded folders and any-to-any workflow. All this to be topped by tabs, to keep your workspace nice and clean." »

FileZilla Secure is a free FTP client that has all the features of the original FileZilla plus it encrypts your FTP passwords to help protect from hackers stealing them.

SmartFTP is an FTP (File Transfer Protocol), FTPS, SFTP, WebDAV, S3, Google Drive, OneDrive, SSH, Terminal client. It allows you to transfer files between your local computer and a server on the Internet. With its many basic and advanced Features SmartFTP also offers secure, reliable and efficient transfers that make it a powerful tool.

Secure, reliable, and efficient file transfers.

FTP Rush is a powerful FTP/FXP/SFTP/TFTP client sofware for Windows 2000/XP/2003/Vista/Win7. It is designed to fit any transfer need and allows you to quickly upload or download files in all directions: from FTP Server to Local, Local to Server or Server to Server.

Very secure FTP Daemon, a secure, fast FTP server for UNIX systems, including Linux.

Yummy FTP Pro is an FTP/S + SFTP + WebDAV/S file transfer client which focuses on speed, reliability and productivity.

Cute FTP is an utility for transferring files between your computer and a remote File Transfer Protocol (FTP) server anywhere on the Internet.

gFTP is a simple GTK+ based ftp client for Linux. Supports the FTP, FTPS (control connection only), HTTP, HTTPS, SSH and FSP protocols, FTP and HTTP proxy server support, supports FXP file transfers (transferring files between 2 remote servers via FTP), UNIX, EPLF, Novell, MacOS, VMS, MVS and NT (DOS) style directory listings, bookmarks menu to allow you to quickly connect to remote sites.Fully Internationalized.

Staff-FTP is a Freeware FTP-Client that has many unique features you will not find in any other software.