WinSCP - WinSCP is an open source free SFTP client and FTP client for Windows.
FileZilla - FileZilla is an FTP, or file transfer protocol, client. It lets individuals transfer single files or batches to a web server. For many years, FTP was the standard for website design. Read more about FileZilla.
FileZilla Secure - A modified version of Filezilla dedicated to keeping your FTP passwords secure.
Cyberduck - A libre FTP, SFTP, WebDAV, S3, Backblaze B2, Azure & OpenStack Swift browser.
BitKinex - Bitkinex is a multiprotocol FTP client, supporting FTP, SFTP, HTTP (WebDAV).
FTPCafe FTP Client - File transfers using: - FTP - FTPS (Implicit and Explicit FTP over SSL).