Free UI and CSS Frameworks for Web

FineUI carefully integrates Ext JS and jQuery into a simple ASP.NET control library, allowing .NET developers easy access to various UI widgets and controllers without having to mess around with HTML, CSS or JS files.Using FineUI, developers can easily...

Bitters helps developers prototype their Web projects by delivering a series of basic user interface styles and SASS variables to use when deploying a basic version of their site. Developers can then start adding content and extra styles on top, creating...

Grid Style Sheets (GSS) uses the Cassowary Constraint Solver to change the way elements are displayed on the Web.GSS uses an intertwining relational rules between various DOM elements to build layouts that display differently based on the conditions the...

spaceBase is not a fully-blown frontend framework like Bootstrap or Zurb's Foundation, but just a starter kit that provides only the basic tools you need to build your projects. It does not come with ready-made UI components but ships with all the...

AXISJ is a pretty complete user interface toolkit developed by a local Korean developer with the aim of providing a solid UI package for Web and mobile apps. AXISJ comes with plenty of ready-made widgets that can easily be loaded in an application and...

Flatstrap is exactly like Bootstrap, but with flat colors (no gradients) and no rounded corners.All Bootstrap widgets and components are included, but with a different, flatter skin.Flatstrap is just an alternative to Bootstrap, but for designers that...

Suave UI was developed to automate the process of creating a user interface for AngularJS projects.This frontend framework comes with support for lots of basic typographic styles, its own grid system, and a few ready-made components.The framework also...

Andy.scss helps developers working on smaller projects where using a big and bulky CSS or frontend UI framework doesn't actually help with development tasks, but greatly hinders them.For projects where just small snippets of code are needed, dealing with...

Bootstrap is an innovative, top of the line frontend framework for building highly customizable, dynamic and professional user interfaces. The original Bootstrap version was coded in Less and compiled to standards compliant CSS code. Since there are quite...

Front-end Boilerplate integrates tools like Bower and Grunt.js on top of a pre-built directory structure.To get a project started, just run the included Gruntfile and a series of automated tasks will be performed, getting your files and folders ready for...