Gen, ignores the epilogue. It comes out after the war that Harry is the son of Bellatrix and Rodolphus Lestrange, adopted by the Potters as a baby after a battle in which his parents Apparated out and left him behind. It seems everybody has Opinions about who he is. Harry thinks he'll continue deciding who he is for himself, thanks. COMPLETE.
AU. Even if Voldemort is keeping his presence secret from the British Ministry, it's known to Dark-aligned groups on the Continent. Voldemort receives a letter from a powerful vampire lord offering a political and personal alliance, by having Voldemort's "heir and Horcrux" betrothed to the vampire lord's grandson. Voldemort has no idea what he's talking about, but he will find out.
HPNL. Someone is sending Harry bouquets that apparently have complicated meanings in the language of flowers. Harry enlists Neville's help in deciphering the latest one. COMPLETE.
HPTN. As much as Harry believes he's recovered from the death of his godfather, Theo has seen the blank sadness in his eyes when he discusses Sirius Black. In a way, that's the first loss Harry truly grieved. Theo is a practicing necromancer, and he's determined to bring Sirius back for Harry. COMPLETE.
Background HPDMTN, otherwise gen. Harry Grayson didn't know why Professor Lily Potter was taking such an interest in him. He didn't even take Muggle Studies. And this particular conversation she'd called him into her office for was the weirdest one yet. COMPLETE.
HPTMR. Harry retired from the Ministry years ago, unable to make a difference the way he wanted to. They didn't need him when they had people like Hermione and the Tom Riddle who had inexplicably appeared from another dimension to enact change. But for some reason, Riddle didn't agree. COMPLETE.
HPTN. After the war, Theo Nott isn't only seeking Harry out where he never did before, he's referring to Harry as his lord. It's driving Harry mental. COMPLETE.
LMNB, otherwise gen. Harry has learned that speaking in Parseltongue makes some people hate him and others fear him. He had not learned that it would make Draco go straight to his parents and tell them that he has reason to suspect "Harry Potter" is actually his missing twin brother. As far as Harry is concerned, life would be a lot better if he was the Heir of Slytherin. Threeshot
Harry/Salazar. After the Battle of Hogwarts, the school isn't healing well. Harry, having been told by Dumbledore's portrait of a ritual that might summon a Founder back and repair the physical and mental cracks, undertakes it. Dumbledore believes he might summon Godric Gryffindor. Harry, deep in his bones, knows better. COMPLETE.
HPDM, HPGW, DMAG. In a world where some wizards and witches receive the name of their soulmate on their arm, and the others feel a pull drawing them towards a particular person, Harry looks his soulmate, Draco Malfoy, in the face and lies so Draco can be with the woman he loves. COMPLETE.
HPDM, AU. When Harry steps off the Beuaxbatons carriage to come to Hogwarts in his fourth year, his gaze is immediately drawn to a boy in Slytherin robes. It seems that he, a transformed Veela, has found his mate. COMPLETE.
HPRL, soulmate AU. Harry's carried the name Rabastan Lestrange on his arm all his life, but he's never shown it to anyone at Hogwarts. He's doubly glad after learning that Lestrange was one of the people to torture Neville's parents. Then comes the Battle of the Department of Mysteries. COMPLETE.
HPTMR. Harry might have accepted that he'll never get back to his own time. He might have accepted that Tom Riddle will never leave him alone. But he doesn't have to accept Tom being a jealous, controlling git. The story, as told by Tom's minions. COMPLETE.
HPER. Harry didn't even realize he'd time traveled at first. He just assisted a desperate single man against a group who seemed determined to kill him. And by the time that he realized he was assisting Evan Rosier and the man he'd just killed was Mad-Eye Moody, the damage was done. COMPLETE.
Gen, AU. Harry was Sorted into Slytherin when he arrived at Hogwarts, and he's been in that House for the past two years. Now, suddenly, at the beginning of his third year, the Hat has declared he's a Gryffindor because he drew the Sword of Gryffindor to kill the basilisk. Harry deals with being in Gryffindor moving forwards. COMPLETE.
HPBZTN. Studying for the First Task in his fourth year leads Harry down a different path than merely learning the Summoning Charm. And he finds two people who want to walk it with him. Twoshot. COMPLETE.
HPAM. A mysterious force has chased the Malfoys out of their Manor. Harry, called in to investigate, finds the impossible in a glittering room. COMPLETE.
AU of HBP, Cthulhu mythos influence. Turns out there are worse things than Voldemort. Like what Harry summons to defeat him. And what Harry becomes in the process of defeating him. COMPLETE.
AU, gen. Instead of becoming Voldemort, Tom Riddle established a school of "secondary importance" for Muggleborns, half-bloods, and Squibs. Since the school frees Hogwarts to continue drifting more towards the purebloods' whims and wishes, they haven't raised any large fuss. Besides, everyone knows that half-bloods and Muggleborns don't have any real power...
HPTN, EWE. Harry has been having strange dreams since the end of the war. This leads to a situation where he has to take over the support of a decaying network of Dark Marks and bring some kind of stability to a world where magic is wobbling wildly out of balance. Theo Nott is promising to help, and it'll be nice if he can—nicer still if Harry didn't find him so distracting.