UI design software to craft stunning interfaces completely free

Craft professional user interfaces using Lunacy - a powerful yet completely FREE vector tool for UI/UX specialists. Ideal when building beautiful, functional layouts through industry-standard features, ready-to-use assets, plus collaborative capabilities.

Lunacy UI Design Software Interface

How to create user interface designs with Lunacy

Step 1

Start with UI templates or components

Begin using Lunacy's ready-made UI kits or templates - alternatively craft custom interfaces from scratch utilizing professional creative features.

Step 2

Design your interface elements

Utilize Lunacy's vector editing capabilities, auto layout, plus components to build consistent, responsive interface elements throughout your creative system.

Step 3

Prototype and collaborate

Develop interactive prototypes to test how your interface works while collaborating alongside team members in real-time across various platforms.

Professional UI design tools plus components

Craft pixel-perfect user interface design through Lunacy's comprehensive vector editing features alongside robust component systems. Build responsive layouts, interactive elements, while maintaining visual harmony across every screen. Thanks to smart auto layout capabilities, layouts adapt naturally to different content sizes or screen dimensions.

Professional UI design tools in Lunacy

Built-in UI kits plus interface assets

Access thousands of UI components, icons, along with interface elements directly within Lunacy. Select from professionally crafted UI kits to jumpstart interface projects quickly. These built-in libraries include navigation patterns, buttons, forms, cards, along with essential UI pieces that help maintain consistency throughout creative work.

UI kits and interface assets in Lunacy

Interactive prototyping plus user flow design

Transform static visual interface designs into interactive prototypes that mimic genuine user experiences. Establish connections between screens, set transitions, while testing user flows directly in Lunacy. This approach lets you validate interface usability before development starts, making it easy to share functional demos when gathering stakeholder feedback.

Interactive prototyping in Lunacy

More powerful features for UI design

Cross-platform compatibility

Craft interfaces on Windows, macOS, or Linux through Lunacy's cross-platform support. Import Sketch files natively while bringing Figma designs over easily, making collaboration smooth regardless of which creative tools or operating systems team members prefer.

AI-powered design assistance

Speed up your interface designing workflow through AI-powered capabilities including background removal, image upscaling, avatar generation, plus text content creation. These intelligent features help you produce professional visual interface work faster without excessive effort.

Real-time collaboration

Work alongside your team on interface projects simultaneously via Lunacy's cloud documents. Add comments, provide feedback, plus view changes instantly across all team members regardless of location or platform, ensuring consistent design de interface utilisateur UI implementation.

Frequently asked questions about UI design with Lunacy

What UI designers say about Lunacy

Join thousands of UI designers creating professional interfaces with our free software.
  • After switching to Lunacy from subscription tools, I'm amazed at how complete it feels for interface designing work. The auto layout functionality plus component system match what I'd expect from premium software, while built-in UI kits save me countless hours. Being able to collaborate alongside my team in real-time across different platforms without monthly fees is truly remarkable.

    David M., Senior UI Designer
  • As a freelancer, Lunacy transformed my workflow completely. The native Sketch file support plus Figma import capabilities let me work seamlessly alongside clients using different tools. Built-in icons plus UI components help me craft professional interfaces quickly, while AI-powered features deliver polished designs faster. All this at zero cost feels almost too good to be true when working on visual interface design projects.

    Natalie P., Freelance UI/UX Designer
  • Managing remote teams across Windows plus Mac users was challenging until we discovered Lunacy. Now everyone uses the same powerful tool regardless of OS preference, making cloud collaboration seamless. The comprehensive design dinterface utilisateur UI capabilities, component system, plus prototyping features cover all our needs. The fact it's completely free means we've dramatically reduced our software budget while improving output quality.

    Alex K., Design Team Lead