classnames
popularA simple utility for conditionally joining classNames together
Updated by @jedwatson
@testing-library/react
Simple and complete React DOM testing utilities that encourage good testing practices.
Updated by @testing-library-bot
styled-components
Visual primitives for the component age. Use the best bits of ES6 and CSS to style your apps without stress
Updated by @geelen
downshift
🏎 A set of primitives to build simple, flexible, WAI-ARIA compliant React autocomplete, combobox or select dropdown components.
Updated by @kentcdodds