List of free CSS-for-react stuff for developerππ½
If you're looking for all programming tools around CSS-for-react (not just free). Check this page List of CSS-for-react Programming Tools

Chakra UI
Simple, Modular and Accessible UI Components for your React Applications. Built with Styled System
Tag: CSS-for-react, ui-component

Headless UI
Completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS
Tag: CSS, Tailwind, ui-component, CSS-for-react
A set of completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS.