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Ritemark

Claimed

Markdown writing app where Claude Code, Codex or OpenCode work directly in your files

Free, no paid tier
Free Writing Apps AI Writing AI Assistants
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Tracked since 2026

The Bottom Line

Best for
Writers, consultants and small teams who want an AI agent to work directly on their own documents instead of in a separate chat.
Price
Free, no paid tier. Compare plans

Key facts

  • Free and open source under the MIT license
  • Runs on macOS and Windows (Microsoft Store)
  • Documents stay as plain .md files in a folder on your computer

Pros

  • Free and open source (MIT license)
  • Documents stay as plain .md files in a folder on your computer
  • Works with the AI you already use: Claude Code, Codex or OpenCode
  • Exports to Word, PDF and Google Docs

Cons

  • Desktop only: no web or mobile app
  • The AI works through Claude Code, Codex or OpenCode, so you need one of them
  • Young project with a small community so far

What is Ritemark?

Ritemark is a free, open-source (MIT) desktop writing app for macOS and Windows. You write in plain Markdown files in a folder on your computer, with a visual editor, and the AI you already use (Claude Code, Codex or OpenCode) works in the same files: you ask in plain words and it writes, edits and creates documents in place. Each window is one folder with its own conversations, instructions, agents and skills. Export to Word, PDF and Google Docs.

Available on: Desktop

how we evaluate Source ritemark.app ↗

Preview

Key Features

  • Visual Markdown editor over plain .md files in a local folder
  • Built-in terminal where Claude Code, Codex or OpenCode edit your files
  • Mermaid and draw.io diagrams, and export to Word, PDF and Google Docs

Pricing

Free

Ritemark is completely free to use with no hidden costs.

View pricing

Reviews

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Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

All Ritemark alternatives 7+ tools ranked, pricing + verdict per pick Ritemark vs ChatGPT Head-to-head: features, pricing, who wins Ritemark vs Jasper Chat Head-to-head: features, pricing, who wins Ritemark vs iA Writer Head-to-head: features, pricing, who wins

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Ritemark FAQ

Is Ritemark free?

Yes. Ritemark is free and open source under the MIT license.

Who is Ritemark best for?

Writers, consultants and small teams who already use Claude Code, Codex or OpenCode and want the AI to work on their documents in a visual editor.

What are the best Ritemark alternatives?

Obsidian, Typora and iA Writer for Markdown editing, and Claude Cowork for AI working on files.

Source: ritemark.app

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