classnames
popularA simple utility for conditionally joining classNames together
Updated by @jedwatson
autoprefixer
Parse CSS and add vendor prefixes to CSS rules using values from the Can I Use website
Updated by @ai
bootstrap
The most popular front-end framework for developing responsive, mobile first projects on the web.
Updated by @bootstrap-admin
optimize-css-assets-webpack-plugin
A Webpack plugin to optimize \ minimize CSS assets.
Updated by @nmfr
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
postcss-flexbugs-fixes
PostCSS plugin This project tries to fix all of flexbug's issues
Updated by @luisrudge
html-minifier
Highly configurable, well-tested, JavaScript-based HTML minifier.
Updated by @alexlamsl