css-framework

A utility-first CSS framework for rapid UI development.

Semantic is a UI component framework based around useful principles from natural language.

🌼 🌼 🌼 🌼 🌼  The most popular, free and open-source Tailwind CSS component library

Materialize, a CSS Framework based on Material Design

Themes for Bootstrap

An extended table for integration with some of the most widely used CSS frameworks. (Supports Bootstrap, Semantic UI, Bulma, Material Design, Foundation, Vue.js)

The open-source alternative to Webflow, Framer and WordPress. Agentic self-hosted visual CMS outputting clean static pages. Users, roles, plugins, content, database, it's all there.

[Not Actively Maintained] CSS-in-JS with near-zero runtime, SSR, multi-variant support, and a best-in-class developer experience.