7 projects
Bootstrap is a CSS-first front-end framework that bundles a responsive grid, prebuilt UI components, and utility classes, plus a small set of JavaScript widgets (built on Popper), letting developers assemble styled, mobile-friendly interfaces without writing CSS from scratch.
Bulma is a free, open-source CSS framework based on Flexbox that provides ready-to-use, responsive UI components and a grid system without requiring any JavaScript. It's distributed as a single CSS file or as customizable Sass source.
Materialize is a responsive front-end CSS/JS framework that implements Google's Material Design language, providing styled HTML components, layout grids, and interactive JavaScript widgets out of the box.
Blueprint is Palantir's React-based UI toolkit, distributed as a set of modular NPM packages, designed for building complex, data-dense desktop web interfaces. It ships polished components including an interactive spreadsheet-like table, date/time pickers, selects, and an extensive icon set with a cohesive design system.
Pico is a minimalist, lightweight CSS framework that styles semantic HTML elements beautifully out of the box, requiring few or no classes. It offers a class-less mode, dark/light themes, SASS customization, and a small set of components, acting like a supercharged CSS reset.
Primer CSS is the SCSS/Sass implementation of GitHub's Primer Design System, providing utility classes and component styles distributed via npm. It's now in maintenance ("KTLO") mode, with GitHub steering new work toward primer/react and primer/view_components.
Spectre.css is a lightweight (~10KB gzipped) CSS framework built around a Flexbox-based responsive grid, base styles, and a set of pre-styled components and utilities. It's a Sass-customizable starting point for building modern, mobile-friendly UIs without JavaScript.