Neckdiagrams161 — Best

You can toggle between showing note names, intervals (root, 3rd, 5th), or suggested fingerings with a single click.

Even years after its release, the core functionality of version 1.6.1 remains highly efficient: neckdiagrams161 best

Beyond standard 6-string guitars, it supports 7- and 8-string guitars, bass, banjo, ukulele, and mandolin. You can toggle between showing note names, intervals

Neck Diagrams 1.6.1 is the final major refined build of the original Neck Diagrams 1 software. It is a standalone application for Windows and Mac designed to create professional-quality fretboard diagrams for scales, chords, and arpeggios. Unlike generic drawing tools, it was built by guitarists for guitarists, ensuring every nut, fret, and marker looks exactly as it should on a real instrument. Top Features That Make 1.6.1 Stand Out it supports 7- and 8-string guitars