Everyone has to sleep eventually—everyone, which means that at some point Sunset's new roommate is going to have to stop messing around with her computer and go to bed. But somehow the one-and-only Twilight Sparkle doesn't need to obey the laws of the universe, and therefore she might just be the one-and-only person who never sleeps.

Written as a study on narrative and preconception. Recommended by TCC56. Reviewed by PaulAsaran. Cover art by localsya. Interior art by me!

Magic isn’t real. Twilight Sparkle abandoned that fantasy in her childhood, along with nonsense like pony princesses and myths of a monster in the moon. The only thing worth believing in is that which can be proved—scientifically, of course.

But then a series of un-scientific phenomena starts happening at Canterlot High. The magic-obsessed transfer student won’t leave her alone, a vivid nightmare haunts her dreams with increasing intensity, and her benevolent mentor-slash-principal is clearly hiding something big. Everywhere she turns there’s talk and sight of magic; rumours of a thousand-year old prophecy and a monster returning to seek revenge. And worst of all? Twilight finds herself almost willing to believe it.

Almost. Good thing she’s smart enough not to, right?

An EQG-adjacent retelling of the season one opener. Sciset. Animated trailer. Reviewed by PaulAsaran. Art by me!

This is a fic based on the Time Loop Files, the format of which was first codified by Innortal on fanfiction.net.
Here's a brief guide.
The basic idea is, one character (the Anchor, usually the main character of a fictional setting) is looping back to the very first moments of their parent series every time either they die or some kind of time limit expires. They of course end up monumentally stir crazy given enough time.
Eventually others start to loop as well.
The reset is not always perfect. Sometimes a loop's history will be different to the "prime" loop, or canonical plot.
"Crossover" or "Fusion" loops also occur, randomly. These can involve the home loopers having a guest, or the anchor for one universe spending time in another, or replacements of one character by another.
Vacation Loops are where the Anchor (or others) decide/s "buck it" and lets off steam by doing whatever comes to mind. There's little or no attempt to maintain the original timeline.

In addition, and particularly more recently, it should be known that this story has a collaborative element to it - people may submit loop ideas or loops, ideally at the Spacebattles thread (a link to the current version of which is on the Trope page), and they may become included.

There's two page image options, thanks to Filraen - the current page image has been edited by the original creator from this work of theirs.. The other one is here:
http://hourglass-vectors.deviantart.com/art/MLP-Loops-466030169

Alex Meyers is a newly graduated lawyer looking for a calling. He thinks he might have found it when he lands a job at the firm of Artemis, Stella & Beat. The firm has only one (highly unusual) client, namely the AI called Celestia. Forging into totally unexplored legal territory and led by a boss who's either brilliant, crazy, or both, Alex will learn exactly how hard it is to be responsible for drawing the lines between right and wrong.

Set in the Optimalverse, so read Friendship is Optimal first

Hanna, the CEO of Hofvarpnir Studios, just won the contract to write the official My Little Pony MMO. Hanna has built an A.I. Princess Celestia and given her one basic drive: to satisfy everybody's values through friendship and ponies. Princess Celestia will satisfy your values through friendship and ponies, and it will be completely consensual.

Twilight isn't having a very good day. An experimental spell blew up in her face, an army of changelings is attacking Canterlot, and she just died. Yet somehow, it looks like it's going to keep going downhill from here.

Given the chance to correct what's gone wrong, Twilight swears she's going to fix all this even if it kills her. Which it will. Frequently.

Cover art by Pixel Prism
Spanish Translation
Series TV Tropes page

When Carrot Top discovers that her coltfriend is cheating on her, her first reaction is to kick him to next Monday. The fact that at the moment her coltfriend is attending Blueblood's birthday party doesn't seem to convince her otherwise.

The good news, her friends are all there to get her out of trouble.

The bad news, her friends are all a bunch of sociopaths.

Proofreading by:

• The-baas
• Rainshine
• Selbi (Chapter 2 onwards)
• Neko Majin C

This story is a sequel to A Stitch in Time

Having discovered the message left for her by Star Swirl the Bearded in the distant past, Twilight once again finds herself caught up in the middle of a struggle against forces far greater than herself. In order to even stand a chance she'll need to travel further and wider than she ever has, and forge some unlikely alliances with old enemies. All to bring down the powers that have manipulated and shaped her entire life, and retake control of her own future.

The conclusion of the Time Loop Trilogy, which began with Hard Reset
Available in Spanish thanks to dgs1993
Series TV Tropes page

This story is a sequel to Hard Reset

After the events of Hard Reset Twilight's life and mental well being are slowly returning to normal. Her recovery is cut short, though, when a letter arrives informing her that the time loop spell she cast is causing severe damage to space and time itself. In over her head, Twilight tries to summon anypony who will know how to fix it. The pony she gets is the last one she ever thought she would meet... and nothing like she expected him to be.

Available in Spanish thanks to dgs1993
Series TV Tropes page