Moses
Deuteronomy 9:10ESV·traditional attribution

And the LORD gave me the two tablets of stone written with the finger of God, and on them were all the words that the LORD had spoken with you on the mountain out of the midst of the fire on the day of the assembly.

Matthew Henry Presbyterian @wholebiblehenry

That they might have no pretence to think that God brought them to Canaan for their righteousness, Moses here shows them what a miracle of mercy it was that they had not long ere this been destroyed in the wilderness: "Remember, and forget not, how thou provokedst the Lord thy God (Deu 9:7); so far from purchasing his favour, thou hast many a time laid...

Commenting on Deuteronomy 9:7-29

John Gill Reformed Baptist @doctorgill

And the Lord delivered unto me two tables of stone, written with the finger of God,.... The letters were of his devising and forming, the writing was his, the engraving them on the stones was his own doing; and which was done to show its original, to stamp a divine authority on it, and to denote its duration; see Exo 31:18.

Geneva Bible Notes Reformed @genevanotes

And the LORD delivered unto me two tables of stone written with the finger of God; and on them [was written] according to all the words, which the LORD spake with you in the mount out of the midst of the fire in the day of the assembly. (g) That is, miraculously, and not by the hand of men.