Chordify
7.3#4 in chord finder softwareFrom $2 a monthAndroidiOSWebAPI
VisitChordify suits beginners learning an instrument as well as working musicians who want chord guidance while playing. It supports guitar, ukulele, piano, and mandolin, with mandolin limited to the website and Android app.
SongEngine suits musicians and producers who want to create or develop chord-based MIDI parts inside a compatible DAW. It may also suit users who want to export those parts for commercial releases.