Apps similar to keyview include KeyboardTest. It's paid, but Aqua's KeyTest and Keyboard Checker are free. Other options are Full Key Codes and Keyboard Codes Display. In total there are five apps like keyview for Windows, the web and Mac.
PassMark KeyboardTest allows users to quickly check that all the keys on their computer keyboard are functioning correctly, check the keyboard LED's, look at the internal scan codes being generated by the keyboard and measure typing speed.
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This great little utility was written by the same Korean keyboard god that also developed the LIMKB keyboard controller.
KeyboardChecker.com is a very simple website where users can check whether all their keyboard keys work properly.
Full Key Codes is a little utility to display code informations about each key of the keyboard. The developers know why :-)
A little program to display the virtual key code and the key value (or the key name for non-character keys) for each key pressed.
