You could have downloaded Fret Specs 5.0 from our software library for free. The program's installer is commonly called Fret Specs 3.0.exe or FretSpecs.exe etc. Fret Specs lies within Office Tools, more precisely Document management. The actual developer of the program is Good Note Software. The most popular versions of the software are 5.0 and 4.1.
From the developer:
Fret Specs Pro is a fret calculator for the stringed instrument craftsman and luthier.
Guitar makers will find this program very handy for custom scale length guitars.
Enter the scale length and number of frets and Fret Specs Pro will output the measurements for fret spacing, fret to fret , nut to fret and fret to bridge measurements are calculated.
Fret Specs Pro fret spacing calculator now available for guitar makers, luthiers .
You may want to check out more software, such as Frets On Fire, Beier String and Fret Calculator or Edexcel GCE General Studies e-Spec, which might be similar to Fret Specs.