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.
FTP Rush - FTP Rush is the most powerful and free FTP/FXP/SFTP/TFTP client sofware for Windows.
HTTPie - CLI HTTP that will make you smile. JSON support, syntax highlighting, wget-like downloads, extensions, and more.
sFTP Client - Transfer files with FTP, FTPS, SFTP and Cloud Services (Including SSH Terminal)
Yummy FTP Pro - Pro-level, fast, reliable FTP/S + SFTP + WebDAV/S client.
SmartFTP - . Backblaze B2, Google Drive, OneDrive, SSH, Terminal client. It allows you to transfer files between your local computer and a server on the Internet.