Stringed Instrument Layout Generator
SiGen is a fully-fledged application to design and generate stringed instrument layouts.
While the main focus is around guitar and bass fretboards, it can be used to design layouts for many other instruments.
Here are some examples of what it can do:
5 Strings Banjo parametrable starting fret
Dual scale along with by-string number of frets
Multi scale by-string scale length
Notable features: