Subform
A visual tool for creating dynamic UI layouts with direct manipulation, replacing static design with interactive feedback.
Score
50
User Rating
1.0
Free/Trial Support
Not Supported
Starting Price
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Last Updated
Oct 24, 2026
Overview
What is Subform?
Subform is a visual tool for designing dynamic UI layouts, enabling direct editing and immediate visual feedback to bridge design and implementation.
What is Subform used for?

Top Features
- Dynamic layout with stacks and grids
- Direct manipulation for easy editing
- Export to HTML/CSS for production
- Runtime layout engine for app integration
How to use Subform?
Use Subform to create stacks, grids, and layouts with percentages, export HTML/CSS for production, or integrate its layout engine into apps.
Alternative Tools
No alternative tools found
Pros & Cons
Pros
- Reduces design-implementation gap
- Supports complex layouts
- Exports version-control-ready code
- Offers performance-optimized engine
Cons
- No longer under active development
- Limited to UI layout focus
Use Cases
- Designing responsive web interfaces
- Prototyping dynamic UI components
- Integrating layouts into custom apps
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