Top 20 Alternatives to UXPin Merge in UI & UX Prototyping Software

UXPin Merge is a collaborative design‑to‑code platform that lets teams create, edit, and sync UI components in real‑time, bridging design and development. Looking for alternative UI/UX prototyping tools that offer similar or complementary capabilities?

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Top Competitors to Consider
#2 Figma

Cloud‑based design tool with real‑time collaboration, component libraries, and powerful prototyping features.

#3 Sketch

Mac‑only vector design app with an extensive plugin ecosystem, symbols, and prototyping extensions.

All‑in‑one UX/UI solution from Adobe offering vector design, interactive prototypes, and auto‑animation.

Design, animate, and prototype with a focus on high‑fidelity interactions and seamless handoff.

Advanced wireframing and prototyping tool with conditional logic, data-driven interactions, and documentation.

#7 Framer

Design and code together using React‑based components, interactive prototypes, and live preview.

#8 Marvel

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

Web‑based tool for creating fully interactive mobile and web prototypes without coding.

#10 Balsamiq

Low‑fidelity wireframing software that emphasizes rapid sketch‑style UI mockups.

#11 Webflow

Design‑first web builder that generates clean HTML/CSS/JS and offers interactive prototyping.

#12 Penpot

Open‑source, web‑based design and prototyping platform with SVG editing and collaborative features.

#13 Principle

Mac app for creating animated and interactive UI designs with timeline‑based motion.

Free design tool from Facebook for building high‑fidelity interactive prototypes using a node‑based workflow.

Full‑featured prototyping platform with UI kits, conditional navigation, and usability testing.

#16 Fluid UI

Drag‑and‑drop prototyping tool focused on mobile app design with quick component libraries.

#17 Mockplus

Rapid prototyping suite with ready‑made UI components, collaboration, and handoff features.

#18 Anima

Design‑to‑code plugin for Figma, Sketch, and Adobe XD that exports responsive HTML, React, and Vue code.

Comprehensive UX design platform offering advanced interactions, design systems, and developer handoff.

Cross‑platform vector design app with prototyping capabilities and cloud storage.

#21 Vectary

3D‑focused design and prototyping tool that lets you embed interactive 3D models into UI mockups.