Cyberduck
Cyberduck is a FTP tool and cloud storage browser for Mac. Support FTP, SFTP, WebDAV, Amazon S3, OpenStack Swift, Backblaze B2, Microsoft Azure & OneDrive, Google Drive and Dropbox.
ftp app mac
FileZilla
FileZilla is a free, open source, cross platform FTP client for Windows, Linux, *BSD, Mac OS X and more.