Sass is a stylesheet language with a main implementation in Ruby. It is an extension of CSS that makes improvements to the old stylesheet format, such as being able to declare variables and using a cleaner nesting syntax.

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

• UpdatedFeb 20, 2026
• MDX

Prettier is an opinionated code formatter.

• UpdatedFeb 19, 2026
• JavaScript

Tabler is free and open-source HTML Dashboard UI Kit built on Bootstrap

• UpdatedFeb 18, 2026
• HTML

NES-style CSS Framework | ファミコン風CSSフレームワーク

• UpdatedJan 17, 2024
• SCSS

Minimal CSS Framework for semantic HTML

• UpdatedMar 15, 2025
• CSS

⚡️ A minimal portfolio template for Developers

• UpdatedJan 21, 2026
• SCSS

鲜亮的高饱和色彩，专注视觉的小程序组件库

• UpdatedApr 8, 2024
• Vue

Free Bootstrap Admin & Dashboard Template

• UpdatedJan 21, 2026
• HTML

Create PDF documents using web technologies

• UpdatedSep 7, 2025
• JavaScript

List of awesome CSS frameworks in 2026

• UpdatedFeb 13, 2026
• CSS

A Lightweight Sass Tool Set

• UpdatedSep 13, 2024
• Ruby

A design system built by IBM

• UpdatedFeb 20, 2026
• JavaScript

🌈 Node.js bindings to libsass

• UpdatedJul 24, 2024
• C++

Drag and drop page builder library written in vanilla javascript without dependencies or build tools.

• UpdatedSep 19, 2025
• JavaScript

赫蹏（hètí）是专为中文内容展示设计的排版样式增强。它基于通行的中文排版规范而来，可以为网站的读者带来更好的文章阅读体验。

• UpdatedAug 31, 2025
• SCSS

Open source CSS framework for data visualization.

• UpdatedDec 8, 2025
• HTML

Color scheme for UI design.

• UpdatedDec 10, 2023
• Handlebars

The mqtt.org website

• UpdatedFeb 20, 2026
• SCSS

Modern framework to print the web correctly.                                               

• UpdatedFeb 3, 2024
• SCSS

Open source admin template based on Bootstrap 5 and React.js

• UpdatedDec 19, 2025
• JavaScript