Features
Smart shapes with constraints, properties, scripts
Pre-built libraries: UML, ERD, Flowchart, UI Wireframe
Experimental AI Assistant using GPT-4 Vision for code generation
Real-time collaboration (experimental)
Cloud storage for diagrams (up to 200 docs on Basic)
Image export to PNG and SVG
Hand-drawn style shapes and fonts
Import and share shape libraries with community
Web publication and embedding
7 days of revision history
Theme-adaptive colors for light/dark mode
Local files support (free tier)
CDN publishing (Basic plan)
Drag-and-drop visual canvas with code layer mapping
AI page, theme, and component generation from prompts
Responsive auto-layout with mobile support
Multiplayer real-time collaboration with layer comments
Design system with props, slots, and variants
Export clean front-end code without AI use
CLI sync via `npx @subframe/cli sync`
AI remix variations and @mention context
Integration with Cursor and Claude Code via MCP + Skills
24-hour version history (Free), 7-day (Pro)
Personalized AI that learns your components and style
Prototype with code and annotated designs
Unlimited team members on all plans
Free viewer seats included
