Guitarix team
3 Pedalboards using it

GxTuner

Plugin screenshot

Control Default Min Max
REFFREQ 440.00 427.00 453.00
Tuner Mode 0 0 54
TEMPERAMENT 0.00 0.00 4.00
THRESHOLD -50.00 -60.00 4.00
RESET 1.00 -10.00 10.00
LEVEL -45.00 -60.00 4.00
CHANNELL 0 0 16
MIDI_ON 0 0 1
FASTNOTE 0 0 1
PITCHBEND 0 0 1
SINGLENOTE 0 0 1
BPM 0 0 360
VELOCITY 64 0 127
VERIFY 1 1 12
GATE 0 0 1
SYNTHFREQ 220.00 30.00 1000.00
GAIN 1.00 0.00 1.00
FREQ 0.00 0.00 1000.00
MAXL 0.00 0.00 1000.00
http://guitarix.sourceforge.net/plugins/gxtuner#tuner v.1:43.0-24