Free presentation helper that shows keystrokes

Are there any free standalone presentation tools that shows which keys are pressed on screen?

KeyCastr is not available as build for users without Xcode. Only a community fork (git://github.com/bignerdranch/keycastr.git) is working on OS X 10.7 (Lion) and 10.8 (Mountain Lion).

Mouseposé is commercial.

Related to the Windows 7 Question: https://stackoverflow.com/questions/3529329

Solution 1:

OS X comes with such a tool.

To activate it, you should go in System Preferences --> Keyboard and select Show Keyboard & Character Viewers in menu bar, see screenshot below.

Then in the top menu bar, ext to the clock, you should have a new icon.

Click on it and select Show Keyboard Viewer, now each time you press a key, the Keyboard viewer will briefly display that key. You will have something similar to this:

I hope this was what you were looking for.