I need a program of low coach anymore?

I used to have a guitar program for Windows that allowed him to play on the fretboard to find out what sounds note where they were. I am looking for a program below that does the same thing for a Mac Anybody. know where I can find it? Any help would be greatly appreciated. Thank you!

I do not see any free ones. http://www.download.com/Ultimate-Guitar-Chord-Trainer/3000-2312_4-10750505.html?tag=lst-1&cdlPid=10750506

CAGED System for Guitar (Part 1 of 2)

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