SmartFTP is an FTP client with an easily customizable explorer-like interface and support for Windows themes. The program implements: multi-threaded download, resume, work through proxies and firewalls, SSL, FXP, Drag-n-Drop operations, work on schedule
Cyberduck is an excellent FTP / SFTP / WebDav client with the ability to connect to various cloud services, including Google Drive and Dropbox. There is the ability to edit files in real time, control the speed of downloading and downloading files
WinSCP is an easy-to-use SFTP client that can be used for securely copying files between a PC and a server. SFTP and SCP protocols are supported, there is a built-in text editor, integration with the PuTTY Agent
FileZilla - One of the best, free FTP-manager, designed to upload and download files from a variety of FTP-servers. The program has a pleasant and convenient interface, has a large number of settings, options and features.
Alternate FTP is an easy-to-use, intuitive FTP server client that allows you to freely view files and folders on the server and edit them, if necessary and, of course, within the limits of your rights.