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Show HN: Write.md, a free, open-source, themeable Markdown editor for macOS

Original article
writemd.app|25 points|29 comments|by danielbilekq|Aug 11, 2026

Introducing Write.md: A Customizable macOS Markdown Experience

Write.md is a free, open-source Markdown editor designed specifically for macOS, allowing you to mold your digital writing environment to fit your personal creative flow.

"Some of the best ideas emerge after midnight, accompanied by music and the lingering glow of the city."

Instead of forcing you into a rigid interface, Write.md lets you keep your content as plain Markdown while you sculpt the visual space surrounding your prose.

✦ Core Capabilities

  • Local-First: Your documents are stored as local Markdown files.
  • Power User Tools: Optional Vim keybindings for efficient navigation.
  • Atmospheric Control: Comprehensive appearance profiles to suit any mood.
  • Open Standards: Distributed under the Apache 2.0 license.

🎨 Tuning the Space, Not Just the Syntax

Write.md moves beyond simple "Light" or "Dark" modes. It allows you to calibrate the actual feeling of the editor.

Customization Dimensions:

  1. Typography: Adjust the font type, size, line height, and the overall width of the page.
  2. Visuals: Modify colors, opacity levels, "glass" effects, and window borders.
  3. Atmosphere: Integrate image or video backgrounds to set the scene.
  4. Presets: Create and save reusable profiles for different writing states.

Example Scenario: The Late Night Draft When a specific kind of focus only arrives after dark, you can shift the canvas, transparency, and typeface until the digital room feels exactly right.

Write.md Interface Concept

The Customization Workflow


🛠️ Technical Configuration & UI

The editor provides a granular "Appearance" menu to design your reading and writing experience.

Base Appearance Options:

  • System: Follows macOS global settings.
  • Light: A bright, clean workspace.
  • Dark: A focused, low-light environment.

The Canvas & Layout: You can choose between a Unified surface or separate Regions for different window areas.

Palette Example

Below is a sample configuration for a custom profile:

ElementHex CodeVisual Role
Text#EBEBF5Primary Readability
Background#1E1E26Deep Contrast
Accent#7C83FFUI Highlights

🔐 Software You Actually Own

Write.md is built on the philosophy that your writing should belong to you, not a service provider.

  • Cloud Accounts →\rightarrow→ Local Files
  • Analytics Trackers →\rightarrow→ Privacy First
  • Proprietary Code →\rightarrow→ 100% Open Source

The "Ownership" Equation: Ownership=Local Storage+Open Source License−Account Requirements\text{Ownership} = \text{Local Storage} + \text{Open Source License} - \text{Account Requirements}Ownership=Local Storage+Open Source License−Account Requirements

Project Checklist

  • Apache 2.0 Licensed
  • Zero accounts required
  • Zero telemetry/trackers
  • GitHub source availability
# To explore the inner workings, visit the source:
git clone https://github.com/write-md/write-md.git

Ready to begin? Open a file, clear the clutter, and make some space for your words.