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open-design

Free

🎨 Local-first, open-source alternative to Anthropic's Claude Design. ⚡ 19 Skills · ✨ 71 brand-grade Design Systems 🖼 Generate web · desktop · mobile prototypes · slides · images · videos · HyperFram

AI ChatbotsFreeFree tier
Outputs: video
Type
Open Source
Visit Website GitHub (18.0k stars)
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About open-design

Open Design is an open-source, local-first native desktop application for macOS and Windows that serves as an alternative to Anthropic's Claude Design. It enables users to generate web, desktop, and mobile prototypes, live dashboards, slide decks, images, video, and HyperFrames motion graphics directly from their coding agent. The tool features composable skills, brand-grade DESIGN.md design systems, and ready-to-use plugins. Outputs are sandboxed in an iframe preview and can be exported as HTML, PDF, PPTX, or MP4. Open Design supports over 20 distinct CLI executables including Claude Code, Codex, Cursor, Gemini, OpenCode, Qwen, Copilot, Hermes, and Kimi, as well as any OpenAI-compatible endpoint via BYOK. It is designed to keep long design sessions alive without interruption, with features like session resumption across turns and screenshot-backed export.

Key Features

Local-first native desktop app for macOS and Windows
Composable skills and brand-grade DESIGN.md design systems
Generates web, desktop, mobile prototypes, dashboards, slides, images, video, and HyperFrames motion graphics
Sandboxed iframe preview with export to HTML, PDF, PPTX, MP4
Runs on 20+ CLIs including Claude Code, Codex, Cursor, Gemini, OpenCode, Qwen, Copilot, Hermes, Kimi
BYOK (Bring Your Own Key) support for any OpenAI-compatible endpoint
Open-source under permissive license
Long design session preservation and resume across turns
Screenshot-backed PPTX/PDF export without leaving the app

Pros & Cons

Pros
  • Fully open-source with no vendor lock-in
  • Local-first operation ensures privacy and offline capability
  • Supports a wide range of AI models and CLIs via BYOK
  • Generates multiple output formats including video and motion graphics
  • Brand-grade design systems enable consistent, professional results
  • Active community and frequent updates (e.g., v0.13.0 with session persistence)
Cons
  • Requires local installation and CLI setup, not a web-based tool
  • Dependent on external AI models via APIs or local executables
  • May have a learning curve for non-developer users
  • Desktop-only (macOS/Windows), no mobile or web version

Best For

Rapid prototyping of web, desktop, and mobile applicationsCreating interactive dashboards and data visualizationsDesigning slide decks and presentation materialsGenerating images and video content for marketing or demosBuilding motion graphics with HyperFramesExporting design artifacts as HTML, PDF, PPTX, or MP4 for handoff

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FAQ

What is Open Design?
Open Design is an open-source, local-first desktop application that serves as an alternative to Anthropic's Claude Design. It uses coding agents as the design engine to generate prototypes, dashboards, slides, images, video, and more.
What can Open Design generate?
It generates web, desktop, and mobile prototypes, live dashboards, slide decks, images, video, and HyperFrames motion graphics. Outputs can be previewed in a sandboxed iframe and exported as HTML, PDF, PPTX, or MP4.
Is Open Design free?
Yes, Open Design is completely free and open-source. There is no pricing tier; you only pay for any AI model usage if you use a paid API or the optional Open Design Cloud service.
What AI models and CLIs does Open Design support?
It supports over 20 CLI executables including Claude Code, Codex, Cursor, Gemini, OpenCode, Qwen, Copilot, Hermes, Kimi, and Antigravity, plus any OpenAI-compatible endpoint via BYOK.
Can I use Open Design without an internet connection?
Yes, Open Design is local-first, meaning it runs on your desktop. However, generating outputs using external AI models requires an internet connection unless you use a local model.