Cogito app glyphCogito
Cogito app icon

Cogito (beta). Pronounced koh-gee-toh.

A quiet, beautiful, native app for your (and your agents’) Markdown files.

Built for power users and developers, but with simplicity and minimalism in mind. It's fast, polished, and a pleasure to use.

Download for macOS

macOS Tahoe 26 required

Writing

Write Markdown like it was meant to be written.

Everything you’d expect from a modern Markdown editor, as a beautiful native Mac app.

  • Drag-and-drop images and media inline
  • Syntax dims so your prose stays readable
  • Shortcuts for bold, italic, links, tasks
  • Smart lists with auto-renumbering and indentation
  • Curated typography with customization
Markdown source with dimmed syntax in Cogito

Navigation

Find any note in an instant.

Your entire workspace is always within reach, no matter how many files you have.

  • Quick Open (⌘P)
  • Open files in tabs
  • Favorites and pinned notes and folders
  • Drag-and-drop to reorganize in the sidebar
  • Add any folder as a location
Quick Open in Cogito

For agents and humans

A home for your agents’ Markdown, too.

Your notes live as plain files on disk, ready for any tool or workflow to read and write.

  • Plain Markdown any tool can read and write
  • No sync service or database in the way
  • 200+ custom folder icons
  • Blazing fast with files of any size
An agent writing a Markdown file in Cogito

Crafted details

Native editor and preview, built as one.

A fast, native editor paired with a pixel-perfect preview. Every detail hand-tuned for focus and speed.

  • Synced source and preview scrolling
  • Syntax highlighting for 20+ languages
  • Instant rendering, even on large files
  • Tables, Mermaid diagrams, math, and more
Cogito preview with syntax highlighting

At a glance

Know your document, without reading it.

Open the info sidebar to understand any document at a glance, no matter how long.

  • AI-generated summary of your document
  • Word count, characters, and reading time
  • Task completion tracking
  • Live document outline
Info sidebar showing document summary, stats, and outline in Cogito

Power features

More than meets the eye.

Simple on the surface, packed underneath. A minimal writing app built for power users.

  • [[Wiki links]] with live resolution
  • Obsidian-style ![[Embeds]] supported
  • Clickable task checkboxes
  • Export preview as a polished PDF
Wiki links and embeds in Cogito

Typefully

From draft to published, without leaving your editor.

Write in Markdown, publish to X and LinkedIn with Cogito’s native Typefully integration.

  • Push a note to Typefully as a linked draft
  • Pull remote changes back into your note
  • Open in Typefully to schedule or publish
  • Inline images uploaded automatically
Try Typefully
Typefully integration context menu in Cogito

Free while in beta

I'm working on this as a side project, my main focus is Typefully. I'll figure out pricing eventually, but for now it's completely free.

If you want to support me, give me a follow on X and check out Typefully.

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