Top UI and CSS Frameworks for Web

Most frontend frameworks are bulky scripts that most of the time slow down websites and come packed with way too many (niche) widgets. Most of them aren't well organized and don't follow a modular structure. This makes using a UI framework a problem,...

ungrid, believe it or not is under 100 characters. And yes, you read that right, characters, not lines of code.This ultra-lightweight grid system uses a table-based display setting to automatically support responsive layouts, just like all native HTML...

Skeleton was built around responsive design principles, supporting every type of page and device, ranging from big LCD TV screens down to small mobile devices.The framework is not a frontend UI package, coming with no special UI widgets and components,...

You could call Layers CSS a CSS framework, but the most appropriate term would be "project boilerplate", or "starter kit".It does not come packed with UI widgets and components like most CSS frameworks, but merely ships basic CSS code on which you can add...

Bourbon is a Ruby library for adding extra support for various mixins in Sass. Neat is a CSS framework written in SASS using some of the Bourbon mixins, ideal for creating website that adhere to the famous & intensely hyped "Responsive Design"...

flexgrid provides a simple approach to working with the flexbox CSS property introduced with the newer 3rd standard iteration.This small Stylus file allows developers to easily place content on data columns that change their widths based on the available...

The "elf grid" is a more modern approach to building responsive grids, relying on complex mathematical operations to let the grid adjust to the content instead of forcing the page's content to adapt to a rigid grid template.Developers can pass any number...

calcGrid uses innovations brought forward via the Stylus CSS pre-processor engine, the calc() function to be more accurate.Using this small utility, developers can create self-adjusting grid systems that create columns at runtime depending on the amount...

The CSS Flexible Box Layout Module is an unofficial, still under development W3C specification created to support responsive layouts natively. With this new specification, developers will be able to build responsive layouts without the help of complex CSS...

UCSS (or Utility  CSS) is just like a CSS framework, only instead of pre-built HTML&CSS widgets, this tool only features a list of classes.Developers can take these classes, add them to desired HTML tags and easily append the class' properties to...