HEATKEYS

FretFind2d models fretboards as a system of line segments on a two dimensional plane to design freboards with multiple scale lenghts and microtonal scales.

The Gear Page (TGP), started in 2002, now combines its 70,000+ members

A site packed with quality music theory articles, lessons in guitar technique, helpful advice and guitar instruction from professional musicians.

YouTube is a place to discover, watch, upload and share videos.

Online guitar community

Guitar-list is a guitar database and directory of guitar shops / services, how-to guides and a guitar forum.

Guitar Pro 6 is a tablature editor software for guitar, bass, and other fretted instruments. Equipped with a powerful audio engine, it makes writing music easier, and it constitutes an essential tool for guitarists.

Guitar skill builder, Beginner guitar lessons and tips, Lessons for speed and agility, learn the notes on the fretboard, Resources software and gear reviews, fun ways to learn guitar alot faster.

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.