Chord Pickout
ChordPickout.com
Cifras
leobrasil
Chord Tracker
Yamaha Corporation
Chord Analyser (acordes)
Pragmatic apps
G-Chord (Guitar Chord)
Asoft
P-Chord (Piano Chord)
Progresión de Acordes
GleickApps
Chord Library
Terence M
bloqueo de guitarra
tukangkibul
Chord! Free (Guitar Chords)
RabugenTom