Ear Training Companion for Perfect Pitch, v2.0
Mac OS Classic/X 

This is a tutorial application for learning perfect pitch. The ETC curriculum is based 
on scientific research into pitch and perceptual learning, and the program is fully 
supported with ongoing research and instruction. 

Screen Shot

System requirements:
MIDI sound card

License:
Demo - the first two lessons, and exercise 1 of all subsequent lessons, are enabled.
 
Contact info:
http://www.acousticlearning.com