PuTTY - Popular free terminal application. Mostly used as an SSH client.
Double Commander - Double Commander is a cross-platform open source file manager with two panels side by side.
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
Total Commander - A Shareware file manager for Windows® 95/98/ME/NT/2000/XP/Vista/7, and Windows® 3.1.
ZOC Terminal - ZOC is a professional SSH/telnet client and terminal emulator. With its impressive list of emulations and features, it is a snap to access hosts and mainframes via secure shell, telnet, serial cable, modem/isdn and other methods of communication.
XYplorer - File Manager for Windows