🍿 A cross-browser library of CSS animations. As easy to use as an easy thing.

A modern alternative to CSS resets

A collection of loading indicators animated with CSS

Automatically add a progress bar to your site.

Build mobile apps with simple HTML, CSS, and JavaScript components.

A spinning activity indicator

Create beautiful CSS3 powered animations in no time.

Low-level CSS Toolkit – the original Functional/Utility/Atomic CSS library

Unobtrusive page transitions with jQuery.

JavaScript, SCSS, Sass, Less, and Stylus helpers for rendering high-resolution image variants

Get the rocks out of your socks! Assemble makes you fast at web development! Used by thousands of projects for rapid prototyping, themes, scaffolds, boilerplates, e-books, UI components, API docume…

Pure CSS phones and tablets

Powerful, scalable, Sass-based, BEM, OOCSS framework.

A simple and easy jQuery plugin for CSS animated page transitions.

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

Data entry can be beautiful

A library for creating dropdowns and other floating elements. #hubspot-open-source

A simple, modern, browser notification system

A collection of LESS mixins and variables for writing better CSS.

The first front-end framework created for developing fully responsive web apps.

Beautiful transformable icons built for the web.

[no longer maintained]

📐 Quickly create angled section edges using only Sass

MOVED TO https://github.com/csstyle/csstyle a modern approach for crafting beautifully maintainable stylesheets

some sick styles for your guestbook

An isomorphic Javascript library for Supabase Auth.

CSS Post-Processor

SASS framework for gentlemen