1)   Dirk's Guitar Tuner 3.3
Tune your guitar quick, accurate and easy with this tuner on your pc or laptop. Suitable for acoustic and electric guitars. Detects and displays the note to be tuned automatically. Accurate display of the deviation of the tone (± 0.5 Cent).

 2)   PitchPerfect Guitar Tuner 1.20
PitchPerfect is a highly accurate professional guitar tuner with a very simple to use interface. It can simply tune your strings quickly and easily to any note you want