However, if you are using a standalone server, then you will want to select and install an FTP server.
Ultimately it is down to personal preference which FTP server to use, if you prefer one, or have experience with it, its best to stick with that, if you are unsure, or new, use FileZilla.
You are, of course, free to pick another one and use that.
If you are a Linux user, there are a few options which we recommend.
|VSFTPD||Debian/Ubuntu Install Guide|