Either way, we’ve listed our favorite free and paid FTP clients below, so be sure to have a look: Top Free FTP Clients 1. Some of these are simply for a quick download use, while those of you who frequently use FTP for your servers may appreciate spending a few bucks for a solid, full-featured FTP client. Whether free or paid, there are tons of FTP clients for Mac users. FTP, which stands for File Transfer Protocol, is the standard method used these days to easily transfer files between your PC/Mac and your server.