CSS custom properties to help accelerate adaptive and consistent design.

Halfmoon is a highly customizable, drop-in Bootstrap replacement. It comes with three built-in core themes, with dark mode support for all themes and components.

Change CSS theme with toggle, buttons or select using CSS custom properties and localStorage

A lightweight front-end component library for developing fast and powerful web interfaces.

VSCode extension to support CSS Variables Intellisense

Sass mixin to use CSS Custom Properties with Sass

Specify helps you unify your brand identity by collecting, storing and distributing design tokens and assets — automatically.

The modular highly customisable CSS framework. Powered by CSS Components, Utilities and Props for building your Web UI.

A React component for applying CSS Variables (Custom Properties)

Minifies / Obscures CSS variable names. Inspired by webpack's obscure plugin, though I never read its codebase

🌐📄/📏 – World Paper / Sizes

UX Select is a lightweight Native JavaScript plugin that replace native select elements with customization

css-vars-hook contains React hooks to set and manipulate CSS custom properties from the component.

Adds accent colors for more dynamic and flexible color utilization.

A shorter SCSS access to CSS custom properties.

Export your TailwindCSS theme colors as css custom properties.

A lightweight, modern theming library based on CSS variables and the setter/getter pattern.

Easings (cubic-bezier timing functions) as custom properties and SCSS variables.

The W. W. Norton & Company design system

Exposing properties of HTML elements as CSS variables