- https://itis-zuccante.github.io/music_theory_for_guitar/
- https://uduk.org/
- https://codepen.io/calivalverde/pen/wPBLYZ
- https://codepen.io/2kool2/pen/bmVxpZ
- https://codepen.io/howlingwolf/pen/XdYOqm
- https://codepen.io/stoumann/pen/abLeMVM
- https://codepen.io/32bitkid/pen/KKOaVp
- https://www.editor.guitarscientist.com/new
- https://www.jazz-guitar-licks.com/
- https://www.oolimo.com/guitarchords/analyze
- https://www.fachords.com/tools/scale-finder/