Markdown
Used by 63 peopledaringfireball.net ↗

“I do a lot of my writing in Obsidian, maybe with a little Markdown if I'm working on something where formatting matters.”
Thursday Bram Interview, Writer · via Uses This 
“Likewise, it's great for fast composition of documents from simple Markdown or plain text with its Markdown PDF extension.”
Mars Buttfield-Addison Interview, Developer, PhD candidate · via Uses This 

“One example is I use it to run a shell script to automatically pull the latest list of blog post tags from my website whenever I open Sublime Text, so that up to date tags show up as autocomplete options when creating blog posts in Markdown.”
Rich Vreeland Interview, Musician (Disasterpeace), developer · via Uses This 
“Text typed on my own behalf starts as Markdown.”
Charlie Loyd Interview, Geo developer, Earth fanatic (Mapbox) · via Uses This 
“I write Markdown documentation in Atom, too, because the Markdown preview is great.”
Jessica Lord Interview, Software engineer (Atom, Electron) · via Uses This 

“The Magazine and TidBITS use Markdown as our native format, and I convert from Markdown into the HTML required by the Economist's CMS.”
Glenn Fleishman Interview, Editor (The Magazine), podcaster (The New Disruptors) · via Uses This 
“I write most of my text as plain text, and everything that ends up as HTML using Markdown.”
Christian Neukirchen Interview, Software developer (Rack, bacon) · via Uses This 
“I think the main reason is that on a glance org-mode seems incredibly complex, but in reality the stock text markup is not much more complicated than Markdown.”
Mike Fogus Interview, Software developer, author · via Uses This 
“I almost always write in Markdown (thank you Mr.”
Rob Giampietro Interview, Designer (Project Projects), writer · via Uses This 
“Almost all text is Gruber-standard Markdown.”
Ethan Schoonover Interview, Designer, developer (Kinkless, Solarized) · via Uses This 
“I brainstorm in mind maps and take notes in plain text (Markdown).”
Brett Terpstra Interview, Developer, AOL Tech (Engadget, TUAW) and nvALT · via Uses This 
“If a document is going to be simple (a review, a lecture, a letter, etc), I usually write it in Markdown.”
Kieran Healy Interview, Sociologist · via Uses This 
“All my editing is done in MPW 9 and Markdown.”
Aaron Swartz Interview, Hacker, activist · via Uses This 
“A few years ago I created Markdown.”
John Gruber Interview, Writer (Daring Fireball) · via Uses This