PuTTY - Popular free terminal application. Mostly used as an SSH client.
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.
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
Gnome Terminator - Terminator is one of the most useful and dynamic terminal emulators for Unix based operating systems.
KiTTY - KiTTY is a fork from version 0.70 of PuTTY. It adds extra features to PuTTY.
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.