shadcn/ui
ui.shadcn.com
Copy-paste components you actually own
LibrariesOpen sourceReactTailwind
by shadcn@shadcn
coss ui
Modern components on Base UI
Live site
coss.com
Preview coss ui inline
Loads the real site in a frame. Some sites block embedding — if it comes up blank, use Open instead.
What it is
A new shadcn-style registry with 500+ particles built on Base UI instead of Radix — accordion, drawer with snap points, segmented control, preview cards, OTP fields and more. Built for developers and AI agents.
Tags
base-uiregistryshadcn-compatiblemodern