Chord ai comes with a massive library of chord positions. It has more than 100k guitar positions and more than 10k ukulele positions, ranked from easiest and common to most difficult and rare. You can easily browse them using a search bar or by picking up a music key through the circle of fifths and then explore all possible chords that belong to that key. A tap on each position will let you listen to how each chord position sounds.
Chord ai also supports numerous alternate tunings for both guitar and ukulele, including Drop D/A/B/C, Double Drop D, DADGAD, Open D/E/G/A/C/C6 and a few others. Each tuning has thousands of guitar and ukulele positions.