Accordeur
adjustable all-instrument-tuning program
Free Music Instrument Tuner
Groovy Tuner
Gstring
GtkGuitune
gTune
Guitar Pro
Guitarx
GuiTuner
Hounddog
InstrumentTuner
JTuner
K3Guitune
KGuitar
KGuitune
LINGOT
LS Tune
Pitchtune
Qjacktuner
QPitch
QtGuitune
QTuneroid
Rakarrack
Tune
tuneit
Tuneroid
TuxGuitar