Radian OS – Production-ready UI kit syncing design and code

Summary: Radian OS is an open-source UI kit and React development library that synchronizes design and code through production-ready components and tokens. It integrates a Figma Design System with React components to maintain consistency between design and frontend implementation.

What it does

Radian provides synced design tokens, components, and blocks between Figma and React, enabling teams to build consistent interfaces quickly. It includes responsive typography, token consistency, and production-ready blocks usable via copy-paste or CLI.

Who it's for

Radian targets founders, designers, and developers who need to ship high-quality UI and frontend rapidly while ensuring design and code alignment.

Why it matters

It solves the challenge of maintaining consistency between design and development, streamlining UI building and collaboration across teams.