21st.dev is a registry that collects community-shared UI components, templates and themes built on React, Tailwind CSS and shadcn. You can preview more than 12,000 components live and add them to your project with a single shadcn CLI command; the code lands directly in your repository and you edit it however you like. It can also be used with AI tools such as Cursor, Claude Code, v0 and Lovable. Browsing is free and you get 2 free component copies per day; unlimited copies and premium templates are unlocked with a membership.
| Category | Development / UI Libraries |
| Website | 21st.dev |
| Tags | UI, component, React, marketplace |
21st.dev is a registry that collects community-shared UI components, templates and themes built on React, Tailwind CSS and shadcn. You can preview more than 12,000 components live and add them to your project with a single shadcn CLI command; the code lands directly in your repository and you edit it however you like. It can also be used with AI tools such as Cursor, Claude Code, v0 and Lovable. Browsing is free and you get 2 free component copies per day; unlimited copies and premium templates are unlocked with a membership.
21st.dev is listed among the digital tools in the Development category.
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