nexu-io

nexu-io / open-design

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🎨 Local-first open replica of Anthropic's Claude Design. ⚡ 19 Skills · ✨ 71 brand-grade Design Systems · 🖼️ sandboxed preview · 📦 HTML/PDF/PPTX export. 🤖 Runs on Claude Code / Codex / Cursor / Gemini CLI / OpenCode / Qwen.

github.comnexu-ioopen-design ai-agents ai-design anthropic byok claude
351
39
100% credibility
Found Apr 28, 2026 at 352 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
TypeScript
AI Summary

Open Design is an open-source web app that uses local AI coding agents to generate professional designs like prototypes, decks, and documents via skills and design systems.

How It Works

1
🔍 Discover Open Design

You find this free design tool online and download it to your laptop.

2
🚀 Start the app

Open the app with a few clicks and it finds your AI helper automatically.

3
🎨 Pick style and idea

Choose a beautiful design style like Stripe or Notion, then describe what you want to create.

4
❓ Answer quick questions

Fill in a simple form about your audience and goals so the design fits perfectly.

5
✨ Watch magic happen

Your AI creates the design live — previews, edits files, and shows the result instantly.

✅ Enjoy your design

Preview, tweak if needed, then download as HTML, PDF, or share with your team.

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Star Growth

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AI-Generated Review

What is open-design?

Open Design is a local-first GitHub project replicating Anthropic's Claude Design as an open source design system tool. It hijacks your existing coding agents—like Claude Code, Cursor, Gemini CLI, or Qwen—to generate UI prototypes, pitch decks, and docs using 19 skills and 71 brand-grade design systems from Stripe, Notion, and Vercel. Pick a skill, design system, and brief; get sandboxed previews with HTML/PDF/PPTX exports, all running via a TypeScript React app and Node daemon.

Why is it gaining traction?

Unlike closed tools or Electron apps, it's web-deployable to Vercel, delegates to your CLI agents for zero lock-in, and ships deterministic palettes from real brands via portable Markdown specs. The turn-1 question form and live todo streaming cut iteration loops, while droppable skills make it extendable without code. Developers dig the replicache local-first persistence and anti-slop prompts that enforce checklists over freestyle AI output.

Who should use this?

Frontend devs prototyping SaaS landings or mobile flows in brand-aligned styles. Indie hackers crafting pitch decks or pricing pages without Figma. Teams with local AI agents needing quick, exportable editorial or dashboard mocks, especially those eyeing open design studio workflows over Anthropic's paywall.

Verdict

Grab it if you want a local-first open design GitHub alternative to Claude—351 stars show early buzz, but 1.0% credibility flags its fresh status with solid docs yet light tests. Worth forking for custom skills; deploy today, contribute tomorrow.

(198 words)

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