Open Source UI
Free React and Next.js UI library with 200+ MIT-licensed copy-paste components.
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Opinionated UI components for people who ship, as a shadcn/ui registry.
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23rd is a shadcn/ui registry of curated, opinionated React and Svelte 5 components. It covers backgrounds, shaders, characters, footers, pages and interactive pieces — each installable through the shadcn CLI and fully editable in your own codebase. The components ship with strong defaults for spacing, radius and interaction patterns so projects look finished faster.
Developers and designers who build landing pages and web apps with shadcn/ui and want ready-to-use, polished components.
Teams that rely on a fully managed component library with hosted updates and enterprise support.
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