Free Music Instrument Tuner (FMIT) is a graphical utility for tuning your musical instruments, with error and volume history and advanced features.

Free Music Instrument Tuner (FMIT) is a graphical utility for tuning your musical instruments, with error and volume history and advanced features.

Free Music Instrument Tuner Features:

Estimation of the fundamental frequency (f0) of an audio signal, in real-time. (the f0, not the perceived pitch)
Waveform shape
Harmonics ratios
Discrete Fourier Transform (DFT)
Microtonal tuning (supports scala file format)
Statistics
All views are optional so that the interface can be as simple as possible. (make it easy to see on a distant screen)
Can support OSS, ALSA, PortAudio and Jack sound systems.

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