It is not always easy to know all the chord positions on the guitar, even for experienced musicians. Guitar Chords Library allows you to find all the possible chords on a fretboard. More than 3,000 chords are listed in its database. You can find eight types of guitar and three modes to play the guitar. The position of chords all over the neck is available. In addition, you can also transcribe the chord positions of Midi files and create new chords. The graphicsl interface is a bit confusing, but you can master it after some time of use.