Once UI

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

PlatformWebfreeglobal

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.

Website

Full match profile

Behind the summary, Matchbox keeps a richer profile of Once UI - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

Claim Once UI to unlock →

Try Matchbox with your own problem

Describe what is not working - we’ll show you whether Once UI (or something else) actually fits.

Try a problem