TuneIt

Tune!It - a comprehensive musical instrument tuner for the professional as well as the occasional user. Tune!It's accurate and reliable pitch measurement combined with it's ease of use makes it the ideal tuner for any instrument including your voice.
Tune!It features :
- chromatic tuner with automatic pitch detection
- spectrum in 2 or 3 dimensions
- harmonic analysis to view partials
- wave form display
- Strobe tuning
- customizable library of historical temperaments
- custom tuning to set up special instrument tunings with presets for guitar, violin, viola, cello, bagipe, harp and piano
- customizable piano keyboard which can play reference tones
- melodic ear training to improve your musical listening skills
and many more