css-framework

Instatic

+36

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.

Sumi.css

+25

A minimalist, classless-first CSS framework.

daisyui

+42

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

twbs/bootstrap

+15

The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

knadh/oat

+16

Ultra-lightweight, zero dependency, semantic HTML, CSS, JS UI library. ~10KB min+gz.

awesome-css-frameworks

+7

List of awesome CSS frameworks in 2026

Puppertino

+4

A CSS framework based on Human Guidelines from apple

jgthms/bulma

+3

Modern CSS framework based on Flexbox

bootstrap-table

+2

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