Lunacy — free rapid prototyping software for you and your team

Lunacy is a powerful rapid prototyping software, perfect for designers to craft detailed designs with collaboration features and ready-to-use assets.

Prototyping design in Lunacy

How to create rapid prototypes with Lunacy

Step 1

Set up your project

Open Lunacy and create a new project. Choose the appropriate canvas size for your prototype based on your target device.

Step 2

Design your prototype

Use Lunacy's design tools to create detailed screens. Incorporate components, text, and images to represent your final product accurately.

Step 3

Preview and export

Preview your prototype to ensure functionality. Once satisfied, export it in the desired format for sharing or user testing.

Unlock your creative potential with graphic assets and UI kits

Lunacy offers a vast collection of graphic assets including photos, illustrations, icons, fonts, and UI kits specifically tailored for rapid prototyping. With these resources, you can quickly create both low-fidelity and high-fidelity prototypes, making your design process faster and more efficient while ensuring visual consistency.

Prototype design in Lunacy

AI-powered rapid prototyping software to design smarter

Utilize Lunacy's AI tools to enhance your rapid prototyping. Quickly upscale images for better clarity and remove backgrounds to create sharp visuals. Generate placeholder texts effortlessly to fill your prototypes with realistic content, and craft unique user avatars, helping you to visualize design choices faster and more effectively.

AI tools in Lunacy

Track progress together with advanced collaboration features

With Lunacy, collaborate in real-time on your rapid prototypes. Ensure smooth communication through built-in text and audio messages, allowing for instant feedback and faster iterations. Use stickers for quick reactions to design suggestions, making it easy for your team to stay aligned and productive during the prototyping phase.

Collaboration in Lunacy

Enhance your workflow with our powerful features

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Online and offline modes

Enjoy the freedom to work with full functionality, online or offline—whenever you need Lunacy and wherever you are.

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One app, all systems

Lunacy is available on Windows, Mac, and Linux, offering a seamless design experience across all major operating systems.

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Popular design formats

With our app, you can open .sketch files directly and import files from Figma.

Frequently asked questions

What our users say

Join thousands of satisfied Lunacy users.
  • Lunacy is the Robin Hood of design tools, taking all the best features from Sketch and giving them to us Windows folks. It's like a revolution in the making.

    Eugene
  • Lunacy has been a fantastic tool for designing assets for my indie game. It's easy to use, and I can quickly create the UI elements and graphics I need. Lunacy makes it simple to design professional-looking game assets without needing advanced skills.

    Destinee Ford