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Blocks & ComponentsOpen source
COSS UI
COSS UI — open component library for shadcn/ui projects.
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- Category
- Blocks & Components
- Pricing
- Open source
- Last checked
- Sep 24, 2026
component-library
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About COSS UI
COSS UI is a block and section collection built for teams standardizing on shadcn/ui. The registry currently lists 566 installable blocks and sections.
Engineering-wise, its components commonly build on lucide-react, @base-ui/react, date-fns, @tanstack/react-table and @remixicon/react.
In practice it covers calendar, stats, dashboard and data-table — a fit for landing pages, marketing sites, and product UI that should stay consistent with the shadcn design language.
