Is Once UI 1.5 free to use?

Yes, Once UI is open-source with free options available, though there may be pro versions for additional features, as indicated on their website.

What technologies does Once UI support?

Once UI is primarily built for Next.js and includes Figma components, making it easy to integrate into modern web development workflows.

How does Once UI ensure good performance with animations?

Once UI focuses on meaningful interactions that support user intention without distracting animations, optimizing effects for performance.

Can I use Once UI for commercial projects?

As an open-source tool, Once UI can be used in commercial projects, but it's advisable to review the specific license terms on their GitHub repository.

Once UI 1.5

Open-source designs for interactive + animated interactions

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What is Once UI 1.5

Once UI 1.5 is an open-source design system that enhances UI engineering with interactive and animated components, introducing visual effects like weather and particles, plus real-time data charts. It enables developers to create expressive, dynamic interfaces quickly with minimal code, targeting indie builders and creators.

Key Features

Open-source design system with interactive and animated components

Drop-in visual effects such as weather, particles, and matrix-style dots

Real-time data chart types for live dashboards

Pre-built Next.js app templates for rapid deployment

Figma integration for design consistency and workflow

Use Cases

Indie developers building web applications with animated user interfaces
Startups creating interactive dashboards and real-time data visualizations
Design engineers implementing expressive UI elements without extensive coding
Teams prototyping and deploying modern web apps with dynamic interactions

Why do startups need this tool?

Startups need Once UI 1.5 to accelerate development with ready-to-use, expressive components that make products feel alive and engaging. It reduces time-to-market by providing deployment-ready templates and real-time data tools, allowing teams to focus on core features and innovation rather than basic UI implementation.