Quill Markdown Editor icon
Quill Markdown Editor icon

Quill Markdown Editor

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Quill is a free, open-source Markdown editor for macOS where an AI agent edits the document you are writing. Hold a key, say what to change, and Claude Code, Codex, Cursor or another agent rewrites the note in front of you.

Quill Markdown Editor screenshot 1

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Since

  • New

Updated

  • Updated Nov 2026

Platforms

  • Mac  Requires macOS 26 or later on Apple silicon.
Quill Markdown Editor screenshot 1
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Quill Markdown Editor information

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  •  2 Stars
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  •  1 Open Issues
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Quill Markdown Editor was added to AlternativeTo by Hridya-Agrawal on and this page was last updated .

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What is Quill Markdown Editor?

Quill is a free, open-source Markdown editor for macOS where an AI agent edits the document you are writing. Hold a key, say what to change, and Claude Code, Codex, Cursor or another agent rewrites the note in front of you. Deleted text stays visible, new text appears in place, and you keep or revert each change.

Notes stay plain Markdown files in a folder you choose. Quill supports Obsidian syntax, live Mermaid diagrams and a Voice.md file for your writing rules. You can send one request to several co-writers and compare their edits. Quill requires macOS 26 or later and is notarized by Apple.