Functional Ear Trainer – This is a great FREE software program that I strongly recommend everyone download and use.
Guitar-Learning.com – Take charge of your Tablature! Free tools and software for guitarists.
TablEdit – a program for creating, editing, printing and listening to tablature and sheet music (standard notation) for guitar and other fretted, stringed instruments.
Tabs Lyrics Chords – Rich-Text editor for Free Form, text based guitar tablature. Transposes, generates chords, scales and more.
Virtual-Fretboard.com – The ‘Virtual Fretboard’ is a software tool designed for musicians who want to quickly gain knowledge about the layout of an instrument’s fretboard.