Lightweight CSS framework
Django + Tailwind CSS =
React layout component based on CSS Grid Layout and built with styled-components
Bootstrap 4 css framework theme for wordpress. For theme developer can start build their theme very fast. To download for use with your project, please go to wordpress.org themes page in the link.
A CSS based web framework
Framework-agnostic CSS-in-JS with support for server-side rendering, browser prefixing, and minimum CSS generation
Materialize, a CSS Framework based on Material Design
Preact Components for MUI CSS framework.