A modern alternative to CSS resets

Skeleton: A Dead Simple, Responsive Boilerplate for Mobile-Friendly Development

Automatically add a progress bar to your site.

This repo is archived. Thanks!

An easy-to-read, quick reference for PHP best practices, accepted coding standards, and links to authoritative tutorials around the Web

List of awesome CSS frameworks in 2025

A CSS only tooltip library for your lovely websites.

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

The 960 Grid System is an effort to streamline web development workflow.

A simple set of best practices to get HTML5 projects off on the right foot.

StyleStats is a library to collect CSS statistics.

Common reasons your HTML and CSS may be fucked.

Grids without limits

RTL Theme for Bootstrap v3.x

HTML Presentations

Pure CSS charts

Style Half of a Character by CSS

Sass mixins for general use

Flags of the world with only one div

A mixin and functions library for Sass

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

Lazy load your images without the overhead of a library. IE7+, FF, Chrome.

An intuitive, lightweight carousel solution. No coding required.

HTTP request scheduling and monitoring

Makes supporting CSS for left-to-right (LTR) and right-to-left (RTL) easy with Sass.

jQuery Pulse Animation Plugin

Phalcon extended framework. (Nucleon:App)

transformed Weather Icons