Top 30 UI & UX Prototyping Software

Curated list of the top 30 UI/UX prototyping tools for designing interactive mockups, user testing, and seamless hand‑off to developers.

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#2 Figma

Cloud‑based design platform that enables real‑time collaboration, vector editing, and interactive prototyping with sharing and commenting.

#3 Sketch

Mac‑only vector design app focused on UI design, with powerful plugins for prototyping, design systems, and developer hand‑off.

All‑in‑one UX tool from Adobe for wireframing, interactive prototyping, and auto‑animation with integration to Creative Cloud.

Web‑based prototyping suite offering clickable mockups, design system libraries, and collaborative feedback tools.

High‑fidelity prototyping tool that supports conditional logic, dynamic content, and detailed documentation for complex interactions.

#7 Marvel

Simple, browser‑based prototyping platform with user testing, handoff specs, and integrations with popular design tools.

#8 Framer

Design and code‑centric prototyping tool that lets you create interactive, responsive prototypes using React‑based components.

Web app for building fully interactive mobile and web prototypes without coding, featuring a rich component library.

#10 UXPin

End‑to‑end design platform that supports advanced interactions, design systems, and collaborative prototyping with real‑data integration.

#11 Balsamiq

Low‑fidelity wireframing tool that mimics hand‑drawn sketches, ideal for rapid brainstorming and early‑stage concept validation.

#12 Principle

Mac app for creating animated and interactive UI designs, with timeline‑based animation similar to After Effects.

Facebook‑built prototyping tool for creating high‑fidelity interactive designs, especially for mobile gestures.

Comprehensive prototyping platform supporting web, mobile, and desktop UI with conditional navigation and data‑driven widgets.

#15 Protopie

No‑code prototyping app that lets designers add advanced interactions, sensors, and micro‑animations to mockups.

#16 Penpot

Open‑source, web‑based design and prototyping tool that supports vector editing, components, and collaborative workflows.

#17 Mockplus

Fast prototyping software with drag‑and‑drop components, interactive linking, and built‑in UI kits for web and mobile.

#18 Fluid UI

Browser‑based prototyping platform offering a large library of UI elements and real‑time collaboration features.

#19 Moqups

Online tool for creating wireframes, mockups, and prototypes with simple drag‑and‑drop UI elements.

Minimalist web app for quick low‑fidelity wireframes, focusing on speed and simplicity.

#21 Zeplin

Design hand‑off platform that generates style guides, specs, and assets from Sketch, Figma, or Adobe XD designs.

#22 Webflow

Visual web design tool that lets you design, prototype, and publish responsive websites without writing code.

#23 Anima

Plugin for Sketch, Figma, and Adobe XD that adds responsive, interactive prototyping and code export capabilities.

React animation library that integrates with Framer design files to create production‑ready interactive prototypes.

Toolkit for building interactive UI prototypes using Svelte components, enabling rapid iteration with real data.

Web‑based prototyping and user testing platform offering simple click‑through prototypes and feedback collection.

Collaborative whiteboard within Figma for brainstorming, flowcharts, and low‑fidelity prototyping before moving to high‑fidelity designs.

Feature of UXPin that syncs React components directly into prototypes, bridging design and development.

#29 Vectary

3D design and prototyping tool that lets UI designers create interactive 3D mockups and embed them in web pages.

#30 Spline

Web‑based 3D UI prototyping platform for building interactive, animated 3D experiences without code.

#31 Framer X

Component‑driven design tool that combines UI design, prototyping, and React component creation in one workspace.

#32 Lunacy

Free Windows design app from Icons8 that supports UI design, vector editing, and interactive prototyping.

#33 Mockflow

Online suite for creating wireframes, UI mockups, and interactive prototypes with built‑in UI libraries.

Add‑on for Marvel that enables rapid creation of high‑fidelity interactive prototypes with micro‑animations.

#35 Fluid UI

Collaborative web prototyping tool featuring a massive component library and real‑time sharing.