Open CoDesign – Open‑Source Desktop AI Design Tool
Introduction
If you’ve ever felt locked into a single AI provider or forced to rely on cloud‑only design generators, Open CoDesign offers a breath of fresh air. Built by the OpenCoworkAI community, this MIT‑licensed desktop application lets you turn a simple text prompt into a fully‑fledged UI prototype, slide deck, PDF, or ZIP archive—all on your own machine. Whether you prefer Anthropic’s Claude, OpenAI’s GPT‑4, Google Gemini, or a local Ollama model, Open CoDesign works with any OpenAI‑compatible endpoint, giving you true freedom over cost, privacy, and workflow.
Key Features
| Feature | Why It Matters |
|---|---|
| Local‑first, desktop native | No mandatory cloud workspace; all files stay on your device. |
| Multi‑model support | Works with Claude, GPT, Gemini, Ollama, OpenRouter, DeepSeek, Kimi, GLM, and any OpenAI‑compatible API. |
| One‑click provider import | Bring existing Claude Code or Codex configurations into Open CoDesign without manual key entry. |
| Built‑in design skill modules | Twelve pre‑crafted modules (slide decks, dashboards, landing pages, SVG charts, etc.) guide the model toward high‑quality UI output. |
| Live agent panel | Watch the AI’s tool calls, token usage, and progress in real time; interrupt generation at any moment. |
| Comment‑mode editing | Pin any element in the preview, leave a note, and let the model rewrite just that region. |
| AI‑generated sliders | The model suggests color, spacing, and typography parameters you can tweak instantly. |
| Export options | HTML, PDF, PPTX, ZIP, and Markdown are generated with a single click. |
| Cross‑platform installers | macOS (brew, dmg), Windows (Scoop, exe), Linux (AppImage, deb, rpm) – all verified with SHA256 checksums. |
Getting Started
1. Install the App
- macOS –
brew install --cask opencoworkai/tap/open-codesign - Windows (Scoop) –
scoop bucket add opencoworkai https://github.com/OpenCoworkAI/scoop-bucket && scoop install opencoworkai/open-codesign - Linux – Download the appropriate AppImage, .deb, or .rpm from the v0.2.0 GitHub release page.
Tip: Verify the download with the provided
SHA256SUMS.txtand CycloneDX SBOM for added security.
2. Add a Provider
On first launch, navigate to Settings → Models. You can:
- Sign in with a ChatGPT Plus/Pro subscription to use Codex models without an API key.
- Paste an API key for Anthropic, OpenAI, Gemini, DeepSeek, OpenRouter, or any other supported provider.
- Choose Local / keyless to connect to an Ollama server or an IP‑allowlisted OpenAI‑compatible gateway.
All credentials are stored locally in ~/.config/open-codesign/config.toml and never leave your machine unless the chosen provider requires it.
3. Generate Your First Design
Pick one of the fifteen built‑in demos (e.g., landing page, pricing table, mobile app) or type a custom brief. The AI agent will:
- Plan the layout based on the selected design skill modules.
- Write HTML/JSX, CSS, and optional assets.
- Show live progress in the agent panel.
- Export the result in your chosen format.
4. Refine with Comment Mode & Sliders
Click any element in the preview, drop a pin, add a comment, and let the model rewrite that region only. Use the AI‑generated sliders to fine‑tune colors, spacing, or typography without restarting the whole generation.
Why Open CoDesign Beats Cloud‑Only Alternatives
| Aspect | Open CoDesign | Claude Design / Vercel / Bolt.new |
|---|---|---|
| Cost | Free app; you only pay for the model you already use. | Subscription‑based pricing for the design service. |
| Privacy | All design files and agent state stay on‑device. | Designs are processed in the cloud; data may be stored remotely. |
| Model Flexibility | Supports 20+ models, BYOK (Bring Your Own Key). | Typically locked to a single provider (e.g., Anthropic). |
| Export Control | Direct export to HTML, PDF, PPTX, ZIP, Markdown. | Often limited to proprietary formats or require extra steps. |
| Customization | Add your own SKILL.md to teach the model your brand tokens. |
Limited to preset templates. |
Use Cases
- Rapid Prototyping – Designers can spin up a functional UI in minutes, then hand‑off clean HTML/CSS to developers.
- Marketing Assets – Generate slide decks, product landing pages, or one‑pager PDFs for campaigns without hiring a designer.
- Learning Tool – New developers can see how AI translates natural language into real code, improving their understanding of design‑to‑code patterns.
- Internal Tooling – Companies can host the app on internal machines, ensuring no proprietary design data leaves the corporate network.
Community & Contribution
Open CoDesign thrives on community feedback. Join the GitHub Discussions, the WeChat group, or the Linux DO forum to share designs, request features, or report bugs. Contributions are welcome—run pnpm lint && pnpm test before submitting a PR, and consult the CONTRIBUTING.md for guidelines.
Roadmap Highlights
- v0.5 – Code‑signing for macOS and Windows, plus optional auto‑updates.
- v1.0 – Figma‑style layer export and deeper design‑system integration.
- Future – Parallel design exploration, version snapshots, and cost‑transparent budgeting.
Conclusion
Open CoDesign delivers a local‑first, multi‑model, open‑source alternative to the growing wave of AI‑powered design generators. By keeping your data on‑device, supporting any LLM you already trust, and offering powerful editing tools like comment mode and AI‑tuned sliders, it empowers developers and designers to create high‑quality UI artifacts without subscription lock‑in. Give it a try, import your existing Claude Code configuration, and experience the speed of AI‑native design on your own laptop.
Ready to start designing with AI? Download Open CoDesign today and turn prompts into production‑ready prototypes in seconds.