Viper FTP is a handy and powerful file manager for macOS, with a tremendous user interface that makes it effortless to use.
Midnight Commander - GNU Midnight Commander is a visual file manager, licensed under GNU General Public License and...
FileZilla - FileZilla is an FTP, or file transfer protocol, client. It lets individuals transfer single files or batches to a web server. For many years, FTP was the standard for website design. Read more about FileZilla.
Vifm - Vifm is a ncurses based file manager with vi like keybindings.
Cyberduck - A libre FTP, SFTP, WebDAV, S3, Backblaze B2, Azure & OpenStack Swift browser.
fman - An unexpected gift. January 07, 2018 by Michael. One of the nice things that happened last week was an fman user writing in to say that 1) fman "is THE BEST SOFTWARE" (sic). And that 2) he would like to send me a $50 tip.
Transmit - Transmit is an FTP client for Mac OS X and Mac OS Classic (which is unsupported).