GuitarLayers is a professional macOS guitar education software used by students, schools, teachers and pro guitarists. It allows students and teachers to visualize and manage, scales, chords and arpeggios shapes through a fully parametric control interface. GuitarLayers automatically generates Scales Modes, Chords or Arpeggios Inversions, Drop Voicings according to the modern guitar theories and it allows you to create Vertical shapes, custom Notes-Per-String shapes, CAGED shapes, Shapes on String Sets, for any common or custom scale, chord or arpeggio. It enables you to visualize harmonic concepts by overlapping shapes automatically on the guitar fretboard, generating chord-scale and arpeggio-scale diagrams and it lets you to harmonize automatically any scale. You can easily create multi-fretboard visualizations in real-time and export, print, organize and archive all your diagrams.