Markdown editor for developers.


Mou 0.8.7 beta, supports OS X 10.7 to 10.11 (currently doesn't support Sierra, we're still working on it)

Preorder Mou 1.0 with 50% discount!

We haven't release Mou 1.0 yet, the Mac App Store version is not from us, it's an imposter, a rip-off, a brand copycat, we only release Mou on our website, please be careful. We've already submitted an App Store Content Dispute to Apple.

Mou /məʊ/ is a Markdown editor for developers, on Mac OS X. Features live preview, sync scroll, auto save, powerful actions, auto pair, custom themes and CSS, HTML and PDF export, enhanced CJK support and more.


Mou comes with lots of handy actions. All you need for writing in Markdown is here, and blazing fast!

Enhanced CJK Support

Write in Chinese, Japanese or Korean? No problem! Mou fully supports CJK Characters!

View Control

Toggle live preview and layout orientation. Write in Chinese traditional way using vertical layout.

Custom Themes

Choose a built-in theme you like, or create your own.

Custom CSS

Custom CSS for Live Preview and HTML Export is also possible.

Incremental Search

Mou features incremental search with pattern matching.

Auto Completion

Mou features auto completion for English words. Press `Esc` key to show a list of possible completions.

Export HTML

Export HTML anytime you want, with or without CSS.

Words Counter

Beautiful counter, counts words, characters and bytes.

Command Line

Launching Mou from Terminal, type open -a Mou. To open file, type open or open -a Mou

Post on and Tumblr

Publish your article to or Tumblr directly within Mou, with a single command.

More features coming!

Mou is currently in early beta stage, which means there's a lot room to add new features if we keep working on it. If you like this app, to help keep development going!


Download Mou beta now

Mou 0.8.7 beta, supports OS X 10.7 to 10.11 (currently doesn't support Sierra, we're still working on it)
Still on OS X 10.6? Download the old version.

Preorder Mou 1.0 with 50% discount!

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