EQCSS is a CSS Reprocessor that introduces Element Queries, Scoped CSS, a Parent selector, and responsive JavaScript to all browsers IE8 and up

CSSplus is a collection of CSS Reprocessor plugins that dynamically update CSS variables

A flexible <style>-tag based CSS reprocessor

QSS ➸ a simple query syntax for CSS element queries

Easy to use event-driven CSS variables

A JS-in-CSS stylesheet loader

Extend .css with JavaScript the easy way!

Exposing properties of HTML elements as CSS variables

Add JavaScript tests to <link> tags to toggle stylesheets

A Pattern for simple Event-Driven Virtual Stylesheets: 100% CSS plus the expressive power of JavaScript

A Fresh Approach to Extending CSS

Build with Container Queries. Ship CSS.

A scoped eval plugin for jsincss