smartChord is a comprehensive music tool that aims to assist musicians of all levels. It offers a range of features, including a songbook with customizable fonts, a set list manager, and a transpose tool. One of the key features is the triads function, which allows users to simplify complex harmonies, understand musical structure, train their musical ear, and create diverse soundscapes. The triads are available for major, minor, augmented, and diminished chords, and can be displayed in various formats, such as a horizontally scrollable gallery or a zoomable grid. The tool also provides fretboard information, including note names, intervals, and relative notes, and can be used with any instrument and tuning.