A conversion of my original post into a page, so that I don’t feel I’m destroying the textual integrity of it with continual updates.
Hence, I present you with a list of fanfics to read in the form of a whimsical (only roughly ordered) list 
Of the Harry Potter Variety:
- Sacrifices Arc
Trio Era, Alt Universe, Slash, Glorious and Amazing and Wondrous and definitely my favourite. SA > Canon
- Harry Potter and the Methods of Rationality
Trio Era, AU (Petunia married a scientist), written by a rationalist and if you don’t laugh by chapter five I forgive you for not continuing, and pity you for your interests.
“#include “stddisclaimer.h”
- Backward With Purpose Part 1: Always and Always
Slightly AU: After the final battle of Hogwarts Ron, Ginny and Harry are the only survivors. Three miserable, depressed years later, they stumble onto the idea of Time Travel, and changing the course of the past/future. Having sent their nearly thirty year old selves back in time, but not in body, their minds in their past selves, they set out to stop the price from being too high.
“Tell Sirius that just because I’m dead, doesn’t mean that he’s gotten out of honoring our bet. His first child is to be named Elvendork.”
- Dumbledore’s Army and the Year of Darkness
Takes place simultaneously with Deathly Hallows, following the students still at school rather than the trio, focusing on Neville. Sticks exactly to what is known of canon.
I cried at least as much as in the actual Deathly Hallows. I just love the characters so much. Colin especially just came to life.
“We’re all going to be used. This is a war, and we’re here because we’re agreeing to be soldiers now. Soldiersare meant to be used. Harry’s out there right now, fighting for our lives and our freedoms, and those of our families, and he’s definitely being used.”
- Match
Marauder Era, Sirius/OC, Most reviewed fic on HPFF, Amazing
“It’s not whether you win or lose…it’s how you spin your game”
- Delicate
Next Gen, Rose/Scorpius, Really really funny. (Teen pregnancy isn’t funny…but then again, it’s all about how you look at it).
“Then again, James went to the last Halloween party dressed as Voldemort.”
- We Gryffies
Next Gen, J.S.Potter, Hilarious
“Oh, wise Imagination Journal, I do not know how to proceed. I trust that with your noble guidance, I will be able to plan a course to action to resolve this situation. “
- Stealing Harry In an alternate universe where Sirius Black never went to Azkaban, Harry divides his life between the Dursleys’ house and Mr. Black’s bookshop — until Sirius realises what the Dursleys are doing to him, and takes him away from their care. “We are,” he said slowly, “at some point, going to have to look up the definition of ‘tact’ together, Harry.”
- Ravenclaw Racketeers
Trio Era, Draco/OC
“What? What the hell kind of challenge is that?! I have to seducesomeone?!?!”
- Things Unsaid
- Fun & Games At Grimmauld Place
Trio Era, Truth & Dare in the Order of the Phoenix,
“Dementors, do, not, go, wooooo!”
- The Shoebox Project (pdf)
Marauder Era (Renowned as the best Marauder fic ever)
“I do believe in commas, I do, I do”
- Padfoot Prohibited
- Marauder Era, Sirius’ list of things he’s not allowed to do
7 – If the thought of something makes either myself or James Potter giggle for more than 15 seconds, I am to assume that I am not allowed to do it.
- 10 Things You Never Knew About The Harry Potter Characters
A list of (fictional) facts about various characters. It makes me cry. Every time I read it.
For the first time in his life, he believes in love, when Astoria tells him that he can name their son Scorpius Hypernion.
- Birth Of A Name
Voldy, One Shot
“Oh damn, I feel all tingly just casting that. Now, it is my time! Soon the world will tremble and fear me! They will all bow before me as their Master. Why? Because… ‘I’m Lord Voldemorta!’”
- A Certain Kind Of Memory
Harry/Draco. Set after the War. Rather sad. But amazing.
“Draco laughed and turned back in his seat, rolling his eyes. “Oh yes, and Elvis was really a wizard.””
- How A Friendship Breaks Bellatrix And Sirius
Memories, Marauder Era, It’s adorable
“And when Sirius heard the hat scream out “Gryffindor!” he saw Bellatrix’s eyes cloud over with disappointment.”
- The American
Marauder Era, Sirius/OC, it’s…interesting. To do with Wicca and this girl Drea who has a whole secret past she’s not telling anyone.
“Drea, Drea, such a young mind. This is more than just a mere rock. In this world, you’ve got to learn that what you see isn’t always what you get.”
- Casting Moonshadows
Marauder Era, has some seriously funny quotes
“My inner marauder. It’s what my mother ca-calls it. It commandeers my common sense and makes me do bad things.”
- Duhnuhnuhnuhnuhnuhnuhnuh– WHO?
Snape/Harry/Draco
“HARRY POTTER, dressed in a red-and-green costume with a yellow cape, and looking like nothing so much as a box of fucking Crayolas, storms out onto the turret. And yes, the green pants are VERY tiny.”
- Unfinished Business
Hermione/Severus. It’s awdorable
“Well, you’re one of us ghosts now, dear lady. You get to startle others. One of the perks of being life-impaired.”
- The Overcomplicated Chemistry Of Sirius Black
Marauder Era, Sirius/Remus
“Sirius is water.” he repeats, “He’s the solvent. And all of us are solutes.”
- How I Learned To Stop Worrying And Love Lord V
Trio Era, Nuclear War, Harry/Voldy
“Then he played an irritable little tune by rapping our wands together, and said “When you’ve quite finished trying to kill me, Potter, we have a world to save. Is there anyone else still animate here, apart from you?””
- Wand (lightbulb) Jokes
Lightbulb Jokes, but Harry Potterified – siriusly freaking awesome.
“Q:How many Gryffindors does it take to light up a wand?
A:Just one, but he has to do it illegally after curfew to make it seem worthwhile.”
- The Prank War
Trio Era, seventh year is the year of the prank war, and when Malfoy pulls a prank involving Snape and Hermione…well, he may have overstepped his bounds a little.
“Malfoy needs to die… Malfoy needs to die… He was chanting it, he realized, to the tune of “The Farmer in the Dell.” Hi, ho, the dairy-o, Malfoy needs to diiiiiiiie!”
- The Original Naked Quidditch Match
Trio Era, Hilarious, The Quidditch Team lose a bet and thus have to play naked…oh the drama…naked calendar shoots, emailage and taunting Voldemort, what more could you want?
“I mocked Voldemort, ask me how”
- Yum Yum Yum
Based off AVPM (One Shot)
“an invitation from Pigfarts Academy for Spellwork and Sorcery to take their side in – get this – an intergalactic war.”
- The Darker Side Of Me
(No idea what happened to the site), Harry/Leander. Tis a Vampire fic
“even the vampires and werewolves, who had only seen pictures of him, were surprised at the changes they could clearly see in the young man known as Harry Potter.”
- The Power He Knows Not?
Alt. Ending to the Voldy War (One Shot)
“Yes Harry, Propane was a Power he knew not”
- Not Quite The Shilling
Harry/Snape – After a potions accident Snape loses 20 years to become the same age as Harry – Harry who is busy not communicating with anyone, and shutting his fellow staff members out.
“Harry’s supposed to be all emo and CAPSLOCKING WITH RAGE, but he’s not. Please find out why, kthnx?”
- More Than Ruined Hopes Shall Mourn
Harry/Draco. Set after the war.
“Maybe the extent of the love that Potter accumulated from the populace exceeded the ability of even Dark magic to usurp.”
Other Fandoms:
- My Immortal
(or just read mockage of it. It’s far more amusing), it effectively is its own fandom
“Hi my name is Ebony Dark’ness Dementia Raven Way and I have long ebony black hair (that’s how I got my name)”
- Moving Apart It’s Continent Fic. And glorious. (One Shot) “New Zealand also said that Australia had given him possums, which was incredibly rude and completely beside the point even if it was true.”
- The Amazing Adventures Of Hat Guy And The Girl Who Stole His Hat
Someone wrote XKCD fic!
(One Shot)“sometimes, when yet another guy says something about girl geeks or girl gamers or girl anything, they get a bit of extra cash when they promise not to tell anyone how far up his ass the stiletto went.”
- End Of The Line
Harry Potter/Discworld Crossover. It’s really sad and sweet.
“THEY ARE TRAINS. The Guard explained patiently and deliberately. AND SO THEY ARE LATE DUE TO LEAVES ON THE LINE.”
- 100 Things Crowley Would Do Before The World Ended
Good Omens is awesome.
“You set him on fire, Crowley. You set the clown on fire”
- The Art of Having Fun
Arthur and Merlin play chess. Slashfic
“I change my first wager,” Arthur immediately replied. “You won’t have to wear the hat.”
- Does The Doctor Know Where His Towel Is?
The Doctor’s entry in The Guide
(One Shot)“Older editions, however, generally conclude with the statement that the Time Lords are, in fact, the precise opposite of hoopy froods who know where their towels are.”
- Parrot A POTC/HP Crossover. Jack Sparrow as an eleven year old attending Hogwarts. One Shot, short. “Jack shrugs, and for once there’s a bit of bitterness there. “And leave such a good opportunity as being a wizard? Would have been set up for life, mate.”"
- Seventeen Things That Happen To Rory Williams After
In which Amy dies and Rory, eventually, keeps going.
“”Really?” says the Doctor, and he sounds so surprised, like he was so sure Rory would decide to settle down and raise a purple baby on some distant planet, that Rory doesn’t even bother yelling at him about being four days late.”
- Vita Longa
Rory’s life is a romance, but definitely not the one he expected.
“Never when he’s awake. When he’s awake he’s just Rory. But sometimes he dreams about a courtyard in Rome, or a battlefield in some misty, freezing place, or years upon years upon years of patience. He dreams about a blue box with a man in it and he can’t decide whether he loves or hates him. He dreams about being places with Amy that they’ve never been, that they never could go. He dreams about Jeff leaving Leadworth, though Jeff’s going to be the best man at his wedding.”