• The Tinwhistle Fingering Chart for whistles in the key of D shows fingerings for three octaves' worth of notes. The author also shares the "three factors to consider in deciding whether you are a great musician"—a welcomed reminder of what's really important when making music.

  • Whistle maker MK Music offers a basic fingering chart and an advanced fingering chart for whistles in the key of D.

  • The Irish Whistle and Music Resources site offers a free font (for PCs and for Macs) that "allow you to use whistle fingering tablature to supplement common musical notation." Entering a letter corresponding to a musical note displays the fingering required to produce that note.

  • The Woodwind Fingering Guide offers three fingering charts, each covering a different octave, for tin whistles and fifes.