Chord and Scale Finder Formula | PDF | Chord (Music) | Scale (Music)
Scale Finder & Explorer - Chord Scale Generator
Free Online Guitar Lessons - Easy Step-by-Step Video Guitar Lessons
Sherlock : Chord / Scale Detective for Android
Chord Analyser (Chord Finder) - Apps on Google Play
Reverse Guitar Chord Name Finder With Sound, Vertical Fretboard
C6 (or any other tuning) chord finder : The Steel Guitar Forum
I've built a set of webapps to learn scales, chords, fretboard navigation. They're free, feedback appreciated - Show and Tell - The Cracking the Code Forum