Best Fluid UI Alternatives & Competitors in 2025

Prototyping and collaboration for design teams

The most stunning HTML5 app for creating resolution-independent SVG mockups, wireframes & interactive prototypes for your next project

Zoviz: Professional Logos, Perfectly Personalized Your Brand. Your Story

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Balsamiq. Rapid, effective and fun wireframing software.

Design is really about solving problems. UXPin is the UX Design Platform that gets that right.

Create fully-interactive high-fidelity prototypes in minutes that look and work exactly like your app should. Sign up for a free 15-day trial and get started.

The most powerful way to plan, prototype and hand off to developers, all without code. Download a free trial and see why professionals choose Axure RP 9.

The prototyping tool designers have been waiting for.

Collaboration app for UI designers & frontend developers

ProtoPie is the easiest tool used to turn your UI/UX design ideas into highly interactive prototypes for mobile, desktop, web, all the way to IoT.

paid Free Trial $13.0 / Monthly

The prototyping and specification software used by 87% of the Fortune 100. Beyond mockups, design interactive prototypes for business solutions, websites, and applications.

Pidoco is a powerful web-based prototyping software for rapidly creating clickable wireframes and interactive UX prototypes for web and mobile applications.

Design interactive UI prototypes for modern interfaces.

A super easy wireframing tool with all the other tools you need in the product design process

freemium $14.0 / Monthly (1 Editor)