DuoRDP - DuoRDP is a tool that used to quick connect to multiple windows server
PuTTY - Popular free terminal application. Mostly used as an SSH client.
Lterm - Lterm is a terminal emulator for GNU/Linux systems.
SSH Explorer - SSH Explorer is an open source ssh client for Unix-like operating systems.
ShellCraft - ShellCraft is an ssh GUI for Unix.
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more