Java utility for creating scales and chords and displaying them with any fretboard layout
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Updated
Jul 12, 2025 - Java
Java utility for creating scales and chords and displaying them with any fretboard layout
"fretter" is a sophisticated command-line tool, generating various diagrams for fretted instruments; it is extremely powerful and can - due to combinatorial explosion - generate millions of different diagrams. The tool is not intended for beginners but advanced musicians.
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