Being a changeling has its benefits, but when a changeling leaves the nest to live a normal life away from the tyranny of the queen, how long can he keep his secret in a world where he is hated? How long can one pretend to be somepony they aren't?

On a patrol through the White Tail woods, Twilight comes across a dying changeling. Torn between giving up the drone to the guards or leaving it in the inhospitable wilds, Twilight reluctantly takes the drone in. As it awakens she realises that the drone was a blank slate, with no connection, no 'programming' guiding its functions. So Twilight sets out to teach this changeling about the world, one hoof step at a time.

Rated Teen for slightly mature themes involving ethical dilemmas.

If Word Worthy stopped editing for me, I'd likely wind up as a grammar-less hack. Thank you, thank you, thank you!

A strange mare arrives in Twilight’s library, claiming to be her future self—here to stop a terrible plague. But Twilight worries that this stranger’s bold claims may hide something more sinister.

Cover art by Cold in Gardez.

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

When a 17 year old boy shuts down three pony related websites, he didn't know one of them was ran by the pony government and unknown consequences start to follow.

(My first fanfic)

So I got in a car crash and the hospital put me under for surgery. The next thing I know, I wake up as a small pony with wings. And I can't see. And it's freaking cold up here.

At least I've still got my smokes.

(Got the idea from the funny picture. Rated T for language and tobacco use.)

What happens after we die?

A question asked by countless members of every species ever to exist. But a question that has gone unanswered. Unfortunately, a certain alicorn princess doesn't like it when questions go unanswered. So in an effort to answer that greatest of questions, Twilight Sparkle kills herself. She fails to grasp the permanence of such an action.

With the invention of the magical radio, ponies from across Equestria await the first public radio broadcast, which will come from Princess Celestia herself. However, one week before the presentation an unauthorized broadcast powerful enough to reach every corner of Equestria appears. Its host? Discord.

The Doctor winds up on a far off planet inhabited by pony-like creatures. The planet seems peaceful enough, but strange things keep appearing and disappearing, and he decides to take a deeper look into this subject. Things don't go entirely as planned, though, when he comes across someone very familiar.

Once, Ford was just a human who led a boring and lonely life. But suddenly, his life is turned upside down as a mysterious golden light not only transported him to the magical world of Equestria, but has also transformed him into a Pegasus Pony without a Cutie Mark! Despite how much of a fan he is of MLP:FIM, he can't help but feel concern on what kind of consequences his presence might bring on account of his knowledge of a fictional cartoon show.

Now, under the identity of "Ford Mustang", he must face many trials ahead of him. Will he be able to blend in with the rest of the pony community? Will he ever be able to earn his Cutie Mark? Can he make it back home in time before the ponies learn the truth about him? And what happens when he starts to fall in love with a certain cyan Pegasus with the spectrum-colored mane? Find out on the incredible journey of Ford Mustang!