React Bits - Count Up

Progressive blur - Motion-Primitives

21st.dev - Discover, share, and craft UI components

Aceternity UI

Magic UI

Float UI - Free open source Tailwind UI components & Templates

1063 Cards: CSS & Tailwind

HeroUI (Previously NextUI) - Beautiful, fast and modern React UI Library

Uiverse | The Largest Library of Open-Source UI elements

Radix UI

Build your component library - shadcn/ui