Pinkie's sister has fallen into a coma after an encounter with a deadly flower in the middle of the Everfree. Desperate to save her, Pinkie has run off into the Everfree alone to find the cure, leaving Twilight to wonder if the party pony will be safe on her own. Unwilling to lose one of her closest friends, Twilight decides to venture into the forest as well to find her friend, before its too late.

A TwiPie story from Twilight's POV.

Special Thanks to my Editors!

Nonameknight
Animus

Cover art by KatiraMoon

Researching the history of Discord's time as ruler of the land, Twilight comes across something strange that piques her interest. Looking further into it, she discovers a piece of information that changes the dynamic of not only her own, but everypony's relationship with the mysterious draconequus.

Discord is utterly bemused by the apparent turn of events. Why in Equestria is everyone suddenly being so nice to him?

Celestia has loved Twilight for a long time. And yet she has never told her. It never seemed like the right moment, and as an immortal Celestia has time to wait for the perfect moment. Right?

Pure simple Twilestia fic. Told entirely from Celestia's point of view.

The pony who wishes to make friends with everyone.

The being who exists only to prolong his existence.
...
Chance brings the two together, showing each that there is always more to learn.

This can be considered a Starbound crossover, but it doesn't really hold relevance to the game beyond using a Novakid as the alien Twilight encounters, as evidenced by the cover art.

Please read the author's note at the beginning of Silence for information regarding the story's structure.

There's a special clinic for unwed mares who want to have a foal. Everypony knows it exists, even if nopony really wants to talk about it--or to be seen visiting it.

It's called the Family Planning Center, and today, Twilight Sparkle is going there for the very first time.

Update, 23 October 2013:
The "Planningverse" is now officially open, and as such, this story has been retagged "Incomplete", as myself and others will be expanding upon the basic concept here within the core story.

(Rated Teen + Sex for obvious reasons, but this story is not technically clop.)

Apple Bloom seeks Twilight Sparkle’s help with a school assignment on the meaning and symbology of cutie marks. What begins as a curious filly’s questions about abstract and esoteric marks leads to a surprising question: what is Twilight’s own special talent?

Getting transformed into a ponified Midnight Sparkle of all characters isn't something that happens very often in life.

Neither is suddenly appearing in Ponyville right before Nightmare Moon escaped.

Let's follow along a lore nerd as she collects various memorabilia from Equestria and beyond to create the perfect collection!

And totally not because of the fact that she wants to learn all of the lore for herself! Nope! Nuh-uh! No siree!

Alternate title: I'm a Crazy Science Horse

Cover art by Duvivi

Luna has Loved Twilight since that first nightmare night, even if the feeling wasn't mutual.
She decides to visit Twilight and reveal her true feelings towards the younger Alicorn.
Who could stop the true feelings of love?

Luna x Twilight

Credit to Midnight the Umbreon for the image

This story is a sequel to Breakfast at Twilight's

Twilight’s newest friend is from the human world, and knows almost nothing about Equestria.

Fortunately, Twilight has given her books.

Unfortunately, Twilight gave her books yesterday.

Additionally, said newest friend is also prone to nightmares, and does not know who the other princesses are yet.

Nothing can go wrong with this.

(Chronology Note: this story takes place between seasons Four and Five.)

(Content Note: sexual themes are discussed and explored. Contains no underage sex.)

This timeline continues in Cupid Mark Crusaders.

Part of the Sunset Rising continuity.

Set several years in the future, another routine gem hunt for Rarity turns into something more as she discovers a long lost friend who disappeared from Ponyville years prior.