PChord (Piano Chord Finder)
Asoft
P-Chord (Piano Chord)
Cifras
leobrasil
Chord Tracker
Yamaha Corporation
Chord Analyser (Chord Finder)
Pragmatic apps
G-Chord (Guitar Chord)
Chord Progression
GleickApps
Chord Library
Terence M
LED Chord
spledapps
U-Chord (Ukulele Chord)