PuTTY - Popular free terminal application. Mostly used as an SSH client.
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
KiTTY - KiTTY is a fork from version 0.70 of PuTTY. It adds extra features to PuTTY.
JuiceSSH - The all in one terminal client for Android including SSH, Local Shell, Mosh and Telnet support.
Persistent SSH - Persistent SSH is SSH tunnel manager for a Windows systems.
Bitvise SSH Client - SSH client for file transfer, terminal and tunneling.