celestia-island

celestia-island / ratatui-markdown

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Render markdown on TUI via ratatui.

19
0
100% credibility
Found May 18, 2026 at 23 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
Rust
AI Summary

ratatui-markdown is a Rust library that helps developers create terminal applications with rich, beautiful displays. It can render markdown text with proper formatting, display visual diagrams (flowcharts, pie charts, sequence diagrams, gantt charts, and more), show syntax-highlighted code blocks, present collapsible tree views for structured data, and support images in terminals. The library is fully customizable with theming support and builds on top of the popular ratatui TUI framework. It's designed for developers building documentation viewers, note-taking apps, data explorers, or any terminal-based application that needs to display formatted content.

How It Works

1
💡 You have an idea for a terminal app

You want to build a terminal application that displays rich, formatted content like documentation, diagrams, and interactive data.

2
📦 You connect the display tool to your project

You add this library to your project so your terminal app can render formatted text, diagrams, and interactive elements.

3
📝 Your app displays beautiful markdown

Now when you write documentation or notes in markdown format, your terminal app renders it with proper headings, lists, code blocks, and styled text.

4
📊 Diagrams come to life in your terminal

You can now render visual diagrams like flowcharts, pie charts, and sequence diagrams directly in the terminal window.

5
You choose your extra features
🌳
Collapsible data trees

Show JSON or TOML data as interactive, expandable tree views that users can navigate with keyboard

🎨
Colorful code highlighting

Display code blocks with syntax highlighting so different parts of code appear in different colors

🖼️
Images in terminal

Render images alongside your text content in the terminal

6
🎭 You make it match your style

You customize all the colors and styling so the display looks exactly how you want it for your app's theme.

🎉 Your terminal app is complete and beautiful

Your application now displays rich, interactive content with formatted text, diagrams, and beautiful styling that works seamlessly in any terminal.

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AI-Generated Review

What is ratatui-markdown?

ratatui-markdown is a Rust library that renders markdown directly into terminal interfaces built with ratatui. Instead of displaying raw markdown or converting it to HTML, it transforms markdown into styled terminal text with proper formatting, borders, and colors. The library handles headings, lists, code blocks, tables, blockquotes, and inline formatting like bold and italic text. It also renders Mermaid diagrams from fenced code blocks, provides syntax highlighting for code via tree-sitter, and supports collapsible tree views for JSON and TOML data.

Why is it gaining traction?

The standout feature is the rendering hooks system. You can intercept any markdown element during rendering and swap it with custom output. Want code blocks to look like IDE panels? Hook it. Need lists to render as tree structures with branch characters? Hook it. This extensibility makes it useful beyond simple markdown viewing. The hybrid scroll system is another differentiator: it handles both free-scrolling through content and focused navigation through interactive items. The theming system exposes 15+ color slots, letting you match any terminal color scheme.

Who should use this?

Terminal app developers building documentation viewers, README browsers, or help systems in Rust. TUI-based developer tools like CLI note-taking apps, changelog viewers, or API documentation browsers. Anyone building a terminal IDE or debugging interface that needs to display formatted markdown alongside structured data. Not suitable if you need a full markdown parser with CommonMark spec compliance or if your project is not already using ratatui.

Verdict

At 19 stars and version 0.3.1, this is early-stage software with a 1.0% credibility score. The feature set is impressive and the API design shows thought, but the low visibility means limited community testing. The comprehensive documentation (multi-language guides, API reference, examples) helps offset the maturity risk. Worth evaluating for production if your use case aligns with the examples, but expect to contribute fixes if you hit edge cases.

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