WinSCP - WinSCP is an open source free SFTP client and FTP client for Windows.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
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.
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
PyroBatchFTP - PyroBatchFTP/SFTP helps you to exchange files with internet SFTP servers in an automated way by processing scripts. e.G. to automatically update documents on web servers.
iTerm2 - A terminal emulator for macOS that does amazing things.