Deep cut, joint of my finger, it was glued 10 days ago, bandage off, wound had been reopened, now scarring across the gap, too late for stitches? Scar

Probably too late. It is probably too late for stitches at this time and probably better to allow it to heal and perform light massage to promote maturation of the scar tissue. I assume from the initial repair that no deep tissues were injured.
Old cut. Go to hand surgeon wound can be closed late and can heal safely without stitches but you need an expert eval to choose best way.