Free UI and CSS Frameworks for Web

The Quantum CSS framework is heavily based on the 960 Grid System and will help developers build responsive layouts that adjust automatically to the user's available screen space. By default, the framework comes with stylesheets for 12 and 16 column based...

DashGum is fully usable in its free version, but the commercial premium license grants access to extra components and ready-made pages.There are lots of ready-made page templates available, along with custom styles for many of Bootstrap's built-in widgets...

Zino UI works on top of the jQuery JavaScript framework and was built to help developers in creating modern, versatile interfaces for their Web-based applications.Zino UI is actually a collection of UI components (widgets) that programmers can selectively...

The Startup Design Framework is the next step in the evolution of Designmodo's Flat UI framework, coming packed with a lot more components, a powerful block model and extensive support for mobile devices.While the Flat UI framework is more of a classical...

Combining HTML 5, CSS 3 and JavaScript, Webix provides a large collection of rich UI widgets that can be used when building complex user interfaces or whenever you need a quick solution to get the UI part of your project of the ground and ready for...

TwitterBootstrapMVC provides a set of helpers that simplify the process of integrating the Bootstrap UI framework with ASP.NET MVC powered applications. The library is easy to use and automatically inserts all the proper HTML code in your app without...

PrimeFaces can ensure a good UI and UX layer for your Java application. It was developed for Java Server Faces 2.0, and is largely based on jQuery UI. PrimeFaces adds extra support for modern technologies on top of jQuery UI, adding some extra widgets as...

Semtex was coded on top of the jQuery framework and was created to serve as a bootstrap (starter kit) for Web-based projects.The framework contains a set of UI components which can be deployed and assembled into nice-looking user interfaces, helping...

The library can be used to create cross-browser web components and AJAX interfaces for websites or intranets.What is new in this release:Today and Clear Buttons in dhtmlxCalendar Multiple fixes and improvements What is new in version 4.0:Updated Skins and...

Considered one of the pillars of the JavaScript framework market, Ext JS, along with jQuery, MooTools, YUI, and Prototype have made it an common practice and cemented the notion of using JS libraries for developing complex Web applications.The second most...