WinSCP - WinSCP is an open source free SFTP client and FTP client for Windows.
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
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.
KiTTY - KiTTY is a fork from version 0.70 of PuTTY. It adds extra features to PuTTY.
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.
ConEmu - ConEmu-Maximus5 is a full-featured local terminal for Windows devs, admins and users. Get better console window with tabs, splits, Quake style, copy+paste, DosBox and PuTTY integration, and much more.