This story is a sequel to A Changeling Named Sin

After three years of running and fighting for not only her life, but the ones she is trying to protect, Sin is forced to train and perfect her abilities. Acid, a threat to all of Equestria looms over the land seeking to destroy the world as he pleases. It seems Sin is the only Changeling possibly strong enough to defeat him. With no signs of other Evolvers around, will this distraught mare be able to cope with the maddening effects of solitude?

*In this story, the changelings are based off of Season 2, so it's as if they've never given love freely. Sept 4th, 2017

Edit: Due to complications with the ongoing story - no direction for it to go off of - it has been cancelled.

One Doctor has just had himself removed from his universe in order to save it. The other is traveling alone after a disagreement with his wall-eyed companion. They are in for just a bit of a surprise when their TARDISes collide in transit.

Geronimo.

This story is a sequel to Elementals of Harmony

Ditzy Doo returns home one day to find an old friend waiting for her with dire news and a brain in a jar. With the latter, she will witness the answer to a pair of ominous questions: What if Jin-Gitaxias was a brony? What if New Phyrexia tried to invade Equestria?

As noted above, this is a sequel. Read the first story first, or little if anything will make sense. A certain level of gore and body horror will inevitably arise, given the nature of Phyrexia (For the card game illiterate: Like the Borg, but with more magic and much less attachment to the humanoid form.)

Cancelled after a long remission. You can see what would have been here.

The G1 ponies find a door connecting to the G4 world, and some of them form an expedition, with Megan and her siblings coming along. Ponies meet ponies, and the mane 6 are given a new gift. Meanwhile on Earth, a veteran Ranger finds himself reunited with an old friend he thought had left him. There is an impending gathering of friends old and new, where ponies will meet Rangers. Everything seems to be going fine.

But we all know that can't last, don't we? For an old enemy is plotting in secret, and will soon seize her chance.

Something is gathering around the bearers of the Elements of Harmony. Something dangerous. Something magical. There's only one pony with the knowledge, the skills, and the muffins needed to save Equestria as we know it.
A Friendship is Magic: the Gathering crossover, taking place between seasons 1 and 2. Here there be flashbacks, briefly seen OC's, and possibly every emotion known to man or tiny horse. Abandon all pretenses of not being a nerd, ye who enter here.

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.

Luna does her best to catch up on the events of the past thousand years and ends up reading even more than Twilight.

One day, an ancient tome slips into her pile of reading material and she reads it eagerly. What she finds there may very well be the discovery of the millennium: The location of the last refuge of the humans.

With the help of Twilight and her friends, the Lunar Princess sets out on an archaeological expedition to find the very last human on the planet of Equus.

And they found one, but why is he forged in a full body armor and claims to not being a human... Well he's not one anymore.

Dusk Shine has dealt with many trails throughout his life. From clashing with Nightterror Nebula to outwitting the mischievous Eris to thwarting King Nymphamos’s invasion, he'd seen it all.

All in all, Dusk Shine would admit that life was hardly easy. And now, Dusk finds that his mentor's self loathing is the least of his problems as he finds himself thrust into a world where he and his friend... are mares?

edited by Saylux and OverlordCornutt

Over the course of several years, Rarity has achieved a fabulous career, contributing to both Equestrian fashion and the Ponyville community. She is admired by her clients, envied by her peers, and cherished by her dear friends, proving that she's a dependable shoulder to lean on.

Then one day, a mysterious pony visits from out of town. She wishes to meet Rarity, but not to thank her.

Twilight Sparkle is a unicorn, and she has a problem...