Free Music Instrument Tuner

Free Music Instrument Tuner is a graphical tool for tuning your musical instruments with volume error history and advanced features. It performs real-time estimation of the fundamental frequency (f0) of the audio signal. The amplitude of the harmonic component is displayed.

Additional features:

• Discrete Fourier Transform (DFT).
• Microtonal tuning (supports Scala file format).
• All views are selectable, so the interface can be as simple as possible.
• Supports OSS, ALSA, PortAudio and Jack sound systems.