A Harry Potter AU in which Draco is friendly, rather than hostile, towards the protagonist (usually Harry Potter, but sometimes Hermione).
Nobody Cared (Harry Potter) by Etherian
11 yr old Harry misses the Hogwarts Express. Snape is sent to find out why. What he finds changes any preconceived notions he might have had about the Boy-Who-Lived. AU, manipulative!Dumbledore, DE's, Voldy, but no horcruxes.