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OpenCoworkAI/open-codesign

Open-source, local-first desktop app that turns prompts into prototypes, slide decks and PDFs, using the AI model you bring.

Open-source alternative to:Claude Designv0Lovable

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What is it?

Open CoDesign is an MIT-licensed Electron desktop app for generating design artifacts such as HTML or JSX prototypes, slide decks, marketing assets and PDFs from a text prompt. It works with your own API keys for Claude, GPT, Gemini, DeepSeek, Kimi, GLM, OpenRouter, Ollama or any OpenAI-compatible endpoint, and can also sign in with a ChatGPT subscription for Codex models. Existing Claude Code or Codex provider configs can be imported in one click.

Generated designs run in a sandboxed preview with phone, tablet and desktop frames. Users can comment on a specific element to have the model rewrite only that region, adjust AI-suggested tweak sliders, and inspect the agent's tool calls while it works. Each design is saved as a local workspace with its files and session history, and can be exported as HTML, PDF, PPTX, ZIP or Markdown.

The app stores credentials and design data on the local machine, and prompts only go to the model route you choose. It is aimed at developers and designers who want AI-assisted prototyping without a single-provider or cloud-only tool.

Key features

  • 01Generates HTML or JSX/React prototypes, slide decks and PDF exports from prompts
  • 02Bring-your-own-key support for Claude, GPT, Gemini, DeepSeek, OpenRouter, Ollama and OpenAI-compatible endpoints
  • 03One-click import of Claude Code or Codex provider configs, plus ChatGPT subscription sign-in
  • 04Click-to-comment editing that rewrites only the selected region
  • 05Local saved designs with version switching and multi-format export

Use cases

  • Quickly sketching a landing page or app screen from a text brief
  • Drafting slide decks or one-page PDFs with a model you already pay for
  • Prototyping offline or with a local Ollama model for private material
  • Turning a reference image into a componentized UI kit for a coding agent

In collections

Claude Code tools, skills & pluginsPrivacy & local-first tools

Topics

#ai-design#prototyping#electron#byok#local-first#multi-model#design-to-code#anthropic#claude#claude-code

FAQ

What is open-codesign?
Open-source, local-first desktop app that turns prompts into prototypes, slide decks and PDFs, using the AI model you bring. Open CoDesign is an MIT-licensed Electron desktop app for generating design artifacts such as HTML or JSX prototypes, slide decks, marketing assets and PDFs from a text prompt. It works with your own API keys for Claude, GPT, Gemini, DeepSeek, Kimi, GLM, OpenRouter, Ollama or any OpenAI-compatible endpoint, and can also sign in with a ChatGPT subscription for Codex models. Existing Claude Code or Codex provider configs can be imported in one click.
Is open-codesign free to use? What license does it have?
open-codesign is open source under the MIT license. Check the license terms before using it in commercial products.
Is open-codesign still maintained?
Actively maintained. The last commit to open-codesign was on Nov 4, 2026.
What can I use open-codesign for?
Quickly sketching a landing page or app screen from a text brief Drafting slide decks or one-page PDFs with a model you already pay for Prototyping offline or with a local Ollama model for private material Turning a reference image into a componentized UI kit for a coding agent
Where can I get open-codesign?
The source code and installation instructions are on GitHub: https://github.com/OpenCoworkAI/open-codesign

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