Orange Cat

Markdown notes with revision history

Orange Cat

Write with focus, preview every detail, and keep a clear history of how your ideas evolve. Orange Cat is a calm Markdown notebook built for macOS.

Get notified Explore revision history

Automatic + manual revisions. Compare any version without losing your train of thought.

In development for macOS

Orange Cat window showing Markdown source and its formatted preview side by side

01 / Revision history

Your ideas change.
Keep the history.

Create a version when it matters, while automatic revisions quietly catch meaningful changes along the way.

Automatic Manual
Orange Cat with the Revisions inspector open beside a note, listing automatic and manual versions

01

See every meaningful version.

Dates, excerpts, and their origin are kept together in the native inspector.

Read-only revision comparison with current and previous text side by side, plus green added lines and red removed lines

02

Understand what changed.

+ Added and − Removed lines make the story of a note easy to scan.

02 / Writing

Write and preview,
side by side.

Stay close to the source without losing sight of the result. The split editor updates your formatted note while you write.

  • Headings, lists, quotes, and tasks
  • Code blocks, tables, and images
  • Native editing and selection
Split Editor in Orange Cat with Markdown text on the left and a rendered note on the right

03 / Three views

A view for every part
of your workflow.

Draft, compare, or simply read. The same note stays in place while the workspace adapts around it.

Orange Cat Split Editor showing Markdown and preview together

04 / Organization

Find any note without thinking about Markdown syntax.

Search the full content of your notes naturally. Orange Cat looks past Markdown characters, keeps recent work at hand, and can group notes by month.

Search
Full note content
Sort
Recently updated
Group
By month
Export
Plain .md
Orange Cat main window with the searchable notes sidebar and a calm empty-state illustration

05 / Native by nature

A workspace that feels
at home on your Mac.

System appearance, familiar controls, thoughtful typography, and keyboard-first actions—without the weight of a browser-shaped workspace.

Orange Cat split editor following macOS Dark Mode
Light, dark, or system appearance.
Orange Cat appearance settings with Serif, Rounded, and Monospaced Markdown font choices
Your words, in the type that fits.

Keyboard first

Keep your hands on the keys.

  • Focus search⌘ F
  • New note⌘ N
  • Split editor⌘ 1
  • Editor only⌘ 2
  • Reading mode⌘ 3
  • Open revisions⌘ R

Coming to macOS

Give your ideas a calmer place to grow.

Write in Markdown, keep every meaningful version, and stay focused on the words.

Orange Cat 1.0Download details coming soon.