Zero CPU overhead, zero dependency, true event-loop blocking sleep

Server-side DOM implementation based on Mozilla's dom.js

Solve CSS math expressions

PostCSS plugin for CSS Modules to pass arbitrary values between your module files

Tooltip and Popover Positioning Engine

Create, preview (browser/iOS Simulator), and send custom email templates for Node.js. Made for Forward Email and Lad.

Zero-runtime atomic CSS-in-JS engine core. Transforms TypeScript style definitions into optimized atomic CSS at build time.

Utilize props as CSS methods

Algorithms to help you parse CSS from an array of tokens.

Physical representation of layout composition to create declarative, responsive layouts in React.

Style function for css-in-js building component libraries

TypeScript/JS lib for dashboard layout and creation, responsive, mobile support, no external dependencies, with many wrappers (React, Angular, Vue, Ember, knockout...)

Adds a unique suffix to a string with process and thread uniqueness guarantees. Adapted from https://github.com/npm/write-file-atomic

Generates and updates all HTML templates' atomic CSS

RE2JS is the JavaScript port of RE2, a regular expression engine that provides linear time matching

An engine which produces an intermediary structure from HTML to create a React Native render tree.

Open Web data by the Mozilla Developer Network

A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations

An atomic front-end BEMIT framework

Parse CSS color values