MidpSSH - MidpSSH is an SSH and Telnet client for MIDP 1.0 / 2.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
MobileTerminal - A terminal emulator for your jailbroken iPhone.
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.
RapidSSH - Get Console is the first ipad and iphone serial port application for cisco networking devices, providing serial connectivity without jailbreaking
Gnome Terminator - Terminator is one of the most useful and dynamic terminal emulators for Unix based operating systems.