Modern CSS framework based on Flexbox

AdminLTE - Free admin dashboard template based on Bootstrap 5

50+ mini web projects using HTML, CSS & JS

The package of IBM’s typeface, IBM Plex.

Inactive project – please visit https://themeshaper.com/block-themes/ to learn more about the future of WordPress themes with Block Themes.

The fastest way to build beautiful Electron apps using simple HTML and CSS

A drop-in collection of CSS styles to make simple websites just a little nicer

A CSS only tooltip library for your lovely websites.

DataTables - legacy repo

Highly customizable checkboxes and radio buttons (jQuery & Zepto)

A modern dialog library which is highly configurable and easy to style. #hubspot-open-source

A CSS course to turn you into a magician.

A best-practices CSS foundation

A modular minifier, built on top of the PostCSS ecosystem.

Simpsons characters in CSS

HTML5 mockups of popular devices, to showcase your portfolio and spice up your website.

An open source icon set with 223 marks in SVG, webfont and raster formats

Material Design for Bootstrap 4

nodejsscan is a static security code scanner for Node.js applications.

Argon - Design System for Bootstrap 4 by Creative Tim

Convert modern CSS into something browsers understand

CSS parser / stringifier for Node.js

Adobe central hub for open source

A collection of loading indicators animated with CSS for React

Fast & Robust Front-End Micro-framework based on modern standards

Use the parts of normalize.css (or sanitize.css) you need from your browserslist

Giraffe - a graphite dashboard with a long neck

A modular, “mobile-first” CSS framework built with performance and scalability in mind.

💾 Windows 95 UI Kit made with Bootstrap 4 components

Cloudflare ❤️ Open Source