This free tool allows you to explore scales for the selected key, including the 7 Greek modes ionian (major), dorian, phrygian, lydian, mixolydian, aeolian (minor), locrian, as well as harmonic minor, melodic minor, major and minor pentatonic and blues scales and the chromatic scale.
By default the notes, intervals and steps that make the C major scale are shown as text and an ukulele fretboard diagram with the notes of the scale.
Please tell your ukulele playing friends about this tool, if you find it helpful and give the chord detector tool a try.