shadcn/ui
shadcn/ui is one of 2024’s most popular React component libraries. Built on Radix UI and styled with Tailwind CSS, it offers copy-paste-ready components that balance speed and flexibility.
Radix UI
A powerful headless component library for building high-quality, accessible design systems.
React Spectrum
React Spectrum is a headless UI design system developed by Adobe, built on top of the React Aria architecture. It offers a comprehensive set of unstyled components, along with corresponding hooks for each one, making it easy for developers to customize as needed. One of its main contributors, Devon Govett, is a software engineer I deeply admire.
Base UI
Unstyled UI components for building accessible web apps and design systems.
Floating UI - Create tooltips, popovers, dropdowns, and more
A JavaScript library for positioning floating elements and creating interactions for them. Both radix-ui and base-ui use it.
COSS UI
A new, modern UI component library built on top of Base UI.