What are FTP clients?
An FTP Client is a software designed to transfer files between two computers over the Internet. With FTP Client uploading/downloading files to/from your website is going to be really easy.
List of recommended FTP client software for different OS:
You can click the links below to visit the official website of each program.
Windows, Mac OS X and Linux
FileZilla is a cross-platform graphical FTP, SFTP, and FTPS file management tool with a vast list of features for Windows, Linux, Mac OS X, and more. With tons of intuitive tools, FileZilla helps you quickly move files between your computer and Web server.
Fast, reliable, FTP client software with SFTP (SSH), SSL, and TLS support. Download a free, secure ftp program today.
Windows and Mac OS X!
Cyberduck is yet another open-source FTP Client that offers support for Windows and Mac OS X! If you do care about looks of the client you use, you’d be interested in using Cyberduck. It offers support for FTP, SFTP, OpenStack Swift, WebDAV and Amazon S3. There’s also support for using Google Cloud Storage and Rackspace Cloud Files, making it easy for you to deal with your sites. Compared to other tools, Cyberduck has optimized options for organizing and bookmarking, such as Spotlight Importer, history etc.