Once UI

Open-source design system for Next.js with a token system and copy-paste component library.

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Once UI is an open-source design system for Next.js, built on React, Next.js, and TypeScript, offering a token and style system for easy customization plus a copy-and-paste component library. It's aimed at developers and designers who want to build Next.js apps faster without building a design system from scratch. It's positioned to let designers work in code and developers work in design more easily.

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