Azzy
ᚳᚣᚾᛖᚹᚢᛚᚠ (He/Him)
For Gold & Glory is the only one that really springs to mind, though I can't vouch for it.
I did a brief look over it, but my take away was that you might as well just use your 2e books if you have them. Maybe a deeper look would uncover ungrades, but it seems to use THAC0, the old-style saving throuws, etc. with no real attempt to use more modern design elements (like ascending AC, universal ability score modifiers, etc.) to enhance the play experience in the same way that some other retroclones have.