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About
Kumo is Cloudflare's open-source React component library for building modern, accessible web applications. Built on top of Base UI, it handles keyboard navigation, focus management, and ARIA attributes out of the box. It includes a CLI for querying component docs and a Figma plugin for design token sync.
Why it made the leaderboard
If you're building accessible React apps and want a battle-tested design system that works with AI coding assistants by design, Kumo's Base UI foundation offers a lighter, more composable alternative to Radix-based libraries. The included CLI for querying component docs directly in your terminal is a small but concrete productivity win for developer workflows.
Tags
reactcomponent-libraryuiaccessibilitycloudflaredesign-systemtypescriptopen-source
Tech Stack
Node.jsTypeScript
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