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 Secure - A modified version of Filezilla dedicated to keeping your FTP passwords secure.
KiTTY - KiTTY is a fork from version 0.70 of PuTTY. It adds extra features to PuTTY.
BitKinex - Bitkinex is a multiprotocol FTP client, supporting FTP, SFTP, HTTP (WebDAV).
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.