SoundPitch

SoundPitch screenshots

SoundPitch lets you change certain aspects of audio playback
Metronom
SoundPitch 1.1 : Metronom

Alternative downloads

Pitch Accum
3.5.2
FREE
Create two distinct 'shadows' of a sound.
Web Metronome
1.2
FREE
Simple, up-to-date, and flexible Metronome for Mac.
Pitch Switch
4.0.10
App that allows you to change the speed and key of any song.