PuTTY - Popular free terminal application. Mostly used as an SSH client.
PAC Manager - PAC Manager
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
Lterm - Lterm is a terminal emulator for GNU/Linux systems.
KiTTY - KiTTY is a fork from version 0.70 of PuTTY. It adds extra features to PuTTY.
SecPanel - SecPanel is an Ssh GUI for Unix.