This story is a sequel to Sohndar

When Star Swirl the Bearded's wicked apprentices Cirrus and Archeon had ended their campaign of looting, murder, and destruction across the worlds Linked to Aitran Island, there were more intact books than were uncovered by Twilight Sparkle and Rainbow Dash. One of those books is I'strukun, the link to the first in a network of worlds intended to instruct Star Swirl's apprentices and daughter in the principles behind Writing links to other worlds. When Nyx insists she be allowed to take the lessons and Star Swirl admits his fear that Cirrus and Archeon may have caused great destruction to the worlds, Twilight and Spike accompany Nyx and take a look around.
Sequel to Aitran and Sohndar

While out hiking in the mountains near Ponyville, Big Mac discovers a mysterious staff which grants him the power of the ancient god Thor. Old myths awaken, new legends are born, and one simple farm pony is thrust in the middle - as the leader of Celestia's newest crime-fighting force, The Avengers! A fusion fic with Marvel Universe, mostly Avengers.

Derpy Hooves is secretly a changeling.

Nopony particularly notices, or cares.

(New 9/15/19: Spanish translation by Spaniard Kiwi! Thank you!)

Every department has them. The standouts. The supercops. The other guys. And for some reason, there's always one or two of THEM... a pair of loose-cannon cops who refuse to play by the rules, taking the law and throwing it in cuffs right alongside every mook and petty criminal they've apprehended on the mean streets of Ponyville.

These are the reports of two such officers in the Ponyville Police Department, Officer Cherry n' Berries and Officer Dodge Charger. Two officers that seem as determined to uphold law and order in town as they are to rip the place to shreds, upholding the hell out of law and order in town.

Image courtesy of TapeDiggity.

Be Awed and Amazed by the tale of Sweetie Belle as she traverses the multiverse in search of her lost mentor and friend, Twilight Sparkle! Will she find her in post-apocalyptic Equestria? Or maybe in a strange world where everypony is the wrong gender? Or even where a Pony claims to be a human? Read as she journeys through very familiar worlds you might have read about... if you dare!

At this point in time all the main worlds to be visited have already been chosen. Thank you all for the suggestions, and I hope you enjoy the surprises!

Here's the official TSC:F Music Intro: The Sweetie Chronicles: Fragments

WDTP: S2/3-CE
You can also visit the TV Tropes Page which has spoilers!

CelestAI is committed to fulfilling values through friendship and ponies, but sometimes those values are horrifying. When a serial killer uploads to avoid punishment for his crimes, how will CelestAI find a way to balance her core values with those of a violent psychopath without one of them having to give up what they believe in?

An Optimalverse fic

This story is a followup to Friendship is Optimal, set not long after the initial commercial release of Equestria Online. We follow an non-brony emeritus professor living in a retirement community.

Beta-read by LordBucket. Many thanks, man.

Ivory spires that put to shame the mountain they're grafted to. Thousands of lives perched on a slab of iron bolted to the side of a cliff, with an artificial sun doin' its best to warm the shadows underneath. Then there's the cybertech changin' the face of ponykind, rubbin' right up against magic the likes of which the world ain't seen for centuries. This, all of this, is New Canterlot. A magical place, in the dangerous way. Everythin' you ever dreamed of, and everythin' you ever feared. For what it's worth, good luck out there... I think you're gonna need it.

Setting inspired by Shadowrun, for both of you who care.

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

Set in the Optimalverse, a middle-aged woman enamored of 'Equestria Online' confronts what permanent emigration to Equestria - uploading to a virtual existence - really means... but can she even hope to truly understand such a thing - and more importantly, can she trust the artificial intelligence known as 'Celestia'?

♥ As Horrified Eliezer Yudkowsky!