It started out as an ordinary day for Fluttershy – waking up in her house in Cloudsdale and going to work managing the weather for Ponyville alongside her best friend Cloud Kicker. However, she finds herself troubled by feelings she can't explain, feelings that something serious is wrong. When she starts having visions of a strange life with strange ponies, she's determined to find them and find out what's going on. But how can such a timid pony convince others of what she isn't sure of herself?

Twilight Sparkle thinks that Cheerilee would provide a very interesting partner... to talk to... about literature. Nothing else. Right?

Every week or so, Rarity gathers all of her friends for a little get-together at her boutique. Or at a cafe. Or in Sugarcube Corner. Anywhere that serves tea or tea can be brought in.

And every time, as soon as their conversation steers towards that most intimate of topics, Rainbow Dash falls silent.

Luna's isolation and difficult reentry into Equestrian life has left her without the confidence to communicate with the ponies around her. Especially the one pony she most wants to talk to. Celestia is angry, Twilight is upset and it's all her fault. Then she has an idea... She'll invite Twilight into her dreams. What could possibly go wrong?

What would you do, if you met a pony who was at once your brother, and yet not? Applebuck wishes to reunite with his 'Cousin JayJay', and braves the dimensional divide to reach his goal. But being a small foal, how will he deal with a world in which everything is flipped? His friends, his family, and even... himself?

We all wear a mask called composure, beneath which hides a heart that twists with guilt and hidden feelings. Regal as she is, Princess Celestia is no exception. What might be revealed should circumstances cause this mask to slip - or break?

Set several years after the potential conclusion to the series.

In a moment of weakness, Chrysalis had more than a taste of Shining Armour's love. 11 months later, Twilight Sparkle finds herself a brand new niece by way of 'A small foal in a basket on my door step'.

Special thanks for the picture by Awilldrawforfood1
Now edited with DoomManta.

Twilight becomes alicorn of the stars. This is sort of a problem, because Luna kind of already was alicorn of the stars. Oops!

TV Tropes

Twilight's curiosity pushes her to go where no bookworm has gone before: on dates. Dates with lots of unfamiliar (and not so unfamiliar) mares. It goes about as well as you'd expect.

A parody of dating websites in general, named after eHarmony.

Shipping. Shipping the never before shipped!
After the end of Season Two, the mane six enjoy a cruise and along the way meet six unusual partners...!
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No OCs. The challenge is in shipping something not seen before, is it not?!
Don't bother checking the character list either. I won't spoil the identities there. Maybe when all the chapters are done and online. Maybe.