Tailwind CSS - Rapidly build modern websites without ever leaving your HTML.
shadcn/ui
daisyUI — Tailwind CSS Components ( version 4 update is here )
Chakra UI - A simple, modular and accessible component library that gives you the building blocks you need to build your React applications.
MUI: The React component library you always wanted
Documentation | Framer for Developers
Headless UI
I would like to share some resources that may help you improve your CSS skills. I hope they prove to be useful for you!
CSS Code Generator for Effortless Web Development | Web Code Tools
- Cheatsheet from Odin project
Online Interactive CSS Cheat Sheet