x3270 x3270
Here is a typical x3270 screen shot, plus the optional pop-up keypad:

x3270 main x3270 keypad

Here is the same host, using c3270 running in an xterm window:

c3270

Here is the same host, using wc3270 running on Windows:

wc3270

Here are some examples of non-English character sets, in this case, Cyrillic and Japanese:

Cyrillic Japanese