Features
Native code editor under 20 MB
LSP support for code intelligence
Fast file search via ripgrep
AI agents with Gemini & Anthropic API
Planning agent with 11 tools (ReadFile, EditFile, etc.)
Attach files for context in AI chat
LLM calls inside terminal using # prompt syntax
Extensible via custom extensions
Git versioning integration
Workspace explorer and file management
Open-source (MIT License)
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
