Hi PH!
Chord Detector is a tiny menu bar app that listens the songs playing on iTunes or Spotify and searches the highest ranked chords for the song on ultimate-guitar.
If chord available than it notifies you on notification center.
Also keeps history of last 20 detected chords.
You can go to the chord page on ultimate-guitar by pressing the notification or from history as well.
Its a completely open source project. You can take a look at on https://github.com/cemolcay/Chor...
MojiLaLa