Builder.io
Visual headless CMS and page builder that enables designers to create and publish web content visually while developers maintain code control and architecture. Builder.io provides a drag-and-drop visual editor that connects to any frontend framework including React, Next.js, Vue, Angular, and Svelte through lightweight SDKs. Content teams create and update pages, sections, and A/B tests without developer involvement, while engineering teams retain full control over components, styling, and deployment. Its AI-powered features include Figma-to-code conversion and visual copilot that generates responsive layouts from design files. The platform serves as the visual editing layer that marketing and design teams have long wanted on top of developer-built websites.
More Prototyping
Figma
Collaborative interface design tool for teams. The browser-based platform enables real-time multiplayer editing where entire teams can work simultaneously on the same file with zero version conflicts. Its component system with auto-layout, variants, and design tokens supports building scalable design systems that maintain consistency across products. Dev Mode bridges the gap between design and development by generating CSS, iOS, and Android code snippets directly from designs. The extensive plugin ecosystem and community file library make it the dominant tool in modern product design workflows.
Adobe XD
UI/UX design and prototyping tool with collaboration features. The tool provides vector-based design with artboards, repeat grids, and responsive resize for efficiently creating layouts across multiple screen sizes. Its auto-animate feature generates smooth transitions between artboards, enabling prototype interactions that closely mimic native app behavior. Adobe XD integrates tightly with the Creative Cloud ecosystem, allowing seamless imports from Photoshop and Illustrator. While Adobe has shifted focus toward Figma, XD remains available with its existing feature set for teams already invested in the platform.
InVision
Digital product design platform with prototyping and collaboration tools. The platform pioneered the concept of design handoff by turning static screens into clickable prototypes with hotspots, transitions, and gesture support. Its Freehand feature provides an infinite whiteboard for brainstorming, sketching, and planning alongside design reviews. The DSM component helps teams build and maintain living design systems with synced components and documentation. InVision integrates with Sketch, Photoshop, and other tools through its Craft plugin for streamlined design-to-prototype workflows.
Framer
Interactive design tool for creating high-fidelity prototypes and websites. The platform uniquely combines visual design with real React code, allowing designers to create production-ready websites and interactive prototypes without traditional handoff. Its AI-powered features can generate initial layouts, copy, and page structures from text prompts that designers then refine visually. Framer's component system supports props, variants, and interactions that mirror real development patterns, making designs inherently developer-friendly. The built-in CMS, hosting, and SEO tools have positioned it as both a design tool and a legitimate website builder.
ProtoPie
Advanced prototyping tool for creating interactive, high-fidelity prototypes. The tool specializes in creating prototypes with complex conditional logic, sensor-based interactions, and multi-device communication that simulates real product behavior. Its formula-based interaction model goes beyond simple screen transitions to support variables, conditions, and data-driven states. Hardware integration allows prototypes to respond to device sensors like accelerometer, compass, and microphone for testing IoT and embedded interfaces. The cloud-based sharing platform enables stakeholders to test prototypes on their own devices with realistic native-feeling interactions.
Principle
Animation and prototyping tool for designing interactive user interfaces. The Mac application excels at creating smooth, physics-based animations and transitions that accurately represent how mobile interfaces should feel and move. Its auto-generated timeline from direct manipulation lets designers create complex animations by simply moving objects between states. Principle imports directly from Sketch and Figma, preserving layer structure and enabling rapid iteration between design and animation workflows. The driver feature allows creating scroll-driven animations and interactions that respond proportionally to user input.