Multi Format Prototype Export With Sandboxed Preview

via “multi-format prototype export with sandboxed preview”

🎨 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 · HyperFrames 📦 Sandboxed preview · HTML/PDF/PPTX/MP4 export 🤖 Runs on Claude Code / Codex / Cursor / Gemini

Unique: Implements a format-agnostic intermediate representation (AST-like) that transforms into 5+ output formats (HTML, React, PDF, PPTX, MP4) with sandboxed iframe preview using CSP isolation. Most competitors export to a single format (Figma → Figma files) or require manual conversion between formats.

vs others: Unlike Figma AI (Figma-only export) or Claude Design (HTML-only), open-design's multi-format pipeline lets you preview in a sandbox, then export the same design as interactive HTML, React components, PDF for review, PPTX for pitches, or MP4 for documentation.

via “static-and-interactive-export-with-format-options”

AI design from sketches and text to interactive prototypes.

Unique: Uizard's export options span static assets, interactive prototypes, and code, whereas Figma's exports are primarily static or require plugins for code generation; Uizard's unified export system simplifies handoff across design, testing, and development phases.

vs others: More comprehensive than Figma for design handoff because it supports static, interactive, and code exports from a single tool, eliminating the need for separate export plugins or tools.

via “real-time-component-preview-with-iframe-sandboxing”

OpenUI let's you describe UI using your imagination, then see it rendered live.

Unique: Implements strict iframe sandboxing with restrictive sandbox attributes and postMessage-based communication, preventing XSS attacks from LLM-generated code while maintaining real-time preview updates and component inspection capabilities

vs others: More secure than rendering components directly in the DOM because iframe sandboxing isolates untrusted code and prevents style/script injection, whereas direct rendering risks XSS and CSS conflicts with the main page

via “prototype preview and browser-based interaction testing”

Unique: Provides instant browser-based preview without export or local setup, with automatic responsive layout adaptation — enables quick iteration and stakeholder feedback loops without requiring designers to learn export/hosting workflows

vs others: Faster feedback loop than exporting and manually testing, but less feature-rich than Figma's native prototyping engine and lacks the advanced interaction capabilities of Framer or Webflow