SpeechTutor is a self paced, accent reducing program based on a powerful speech analysis engine. It has many different lessons and exercise for Intonation, Prominence and stress.
SpeechTutor create pitch and stress contours on the fly from the speaker voice and compares them to the native speaker.
Currently, there are only American English lessons are available. In the future many other languages are added. Furthermore, one can add their own lessons in it .
SpeechTutor is only available for PC