A downloadable application for Windows, macOS, and Linux

Buy Now$8.00 USD or more


Explore, study, create

Markdown editor and organizer

Get organized

Add tags and categories to your files. Use search and filters to find what you're looking for.

Deepdwn editor with open document containing categories and tags in yaml at the beginning. Filter and file panels show these items for filtering with some active.

Stay focused

Use fullscreen, distraction-free, and typewriter editing modes to help you focus on your writing.

User scrolls down document and clicks Distraction Free button in toolbar. File and filer panels collapse, outline is visible but fades slightly.

Be comfortable

Select from dark and light modes, change your theme color, font style and size.

Work the way that you want.

Deepdwn in light mode with blue accent color, and mixed monospace and variable width sans-serif font in the editor panelDeepdwn in dark mode with pink accent color, and monospace font in the editor panelDeepdwn in light mode with green accent color, and mixed monospace and variable width serif font in the editor panel

Easy formatting

Create and edit your documents in Markdown format, and see the result immediately with live preview.

Markdown is a plain text format that is both easy to write, and easy to read, even without previewing.

Store your files in version control or your own cloud storage.

Editor and document outline scrolling on left side, showing synchronized, rendered preview on the right

Enhance your writing with tables, numbered and bulleted lists, checklists, links and images, graphs and diagrams, code blocks (with syntax highlighting), and lots more.

Use the outline view for an overview of your document, and for quick navigation.

Visual thinker?

Add flowcharts, sequence diagrams, and more to your documents to represent your ideas.

Entity relationship diagram with associations between Orders, Customers, and Delivery Addresses. Code block below diagram with text to render diagram.Flowchart with connections from node A to nodes B and C, and nodes B and C to node D. Nodes use different shapes. Code block left of diagram with text to render diagram.Sequence diagram with Alice asking John a question, and John responding. Code block below diagram with text to render the diagram.State diagram showing three connected nodes, a start and end point. Code block left of diagram with text to render diagram.

Feeling musical?

Deepdwn can render sheet music (in ABC format), as well as guitar tabs.

Data entry of two lines of sheet music in ABC format and 3 lines of guitar tabs in jTab format, and guitar chords.  Preview window on the right displays rendered sheet music, chord diagrams and guitar tabs

Other features

Typing a codeblock, the screen shakes and syntax-colored puffs of smoke appear as each character is added.

Typing streaks

Reward consistent input with (optional) special effects

Section of Sherlock Holmes text. The word gasogene appears to be misspelled, and a context menu shows spelling suggestions


Edit as you go

Overlay with search text for

Find and replace

Fix it later

Several lines of text beneath an overlay with text field containing %s/Alice/Allison

Vim mode

Optional Vim motions, operators, macros, search.

Text of Sherlock Holmes above panel showing line, word, and character count

Writing statistics

See word, character, and line count while you write.

Editor transitioning between dark and light modes.

Automatic dark mode

Responds to your system's dark mode setting.


Buy Now$8.00 USD or more

In order to download this application you must purchase it at or above the minimum price of $8 USD. You will get access to the following files:

deepdwn-osx-eap.zip 77 MB
Version 0.18.0
deepdwn-win64.zip 79 MB
Version 0.18.0
deepdwn-linux-appimage.zip 76 MB
Version 0.18.0

Community Copies

Support this application at or above a special price point to receive something exclusive.

Free Community Copy

If you are experiencing financial hardship but wish to use Deepdwn, you can claim a copy here.

Development log

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