CSS Frameworks & Utilities

A utility-first CSS framework for rapid UI development.

Modern CSS framework based on Flexbox

Scheduling infrastructure for absolutely everyone.

Materialize, a CSS Framework based on Material Design

Free, simple, and intuitive online database diagram editor and SQL generator.

A one-of-a-kind resume builder that keeps your privacy in mind. Completely secure, customizable, portable, open-source and free forever. Try it out today!

Minimal CSS Framework for semantic HTML

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)

使用 NextJS + Notion API 实现的，支持多种部署方案的静态博客，无需服务器、零门槛搭建网站，为Notion和所有创作者设计。 (A static blog built with NextJS and Notion API, supporting multiple deployment options. No server required, zero threshold to set up a website. Designed for Notion and all creators.)

coss.com is the new holding company of cal.com, the pioneers of open source scheduling infrastructure and cal.com continues to be the 'google search' of our alphabet.

List of awesome CSS frameworks in 2026

Toolkit with accessible components, styles, and examples for your next web app

A progressive front-end framework for creating high-performance responsive reactive web applications!

Ultra-lightweight, zero dependency, semantic HTML, CSS, JS UI library. ~8KB min+gz.