HEATKEYS

Semantic empowers designers and developers by creating a shared vocabulary for UI.

Create rapid and logical page layout and app prototypes with Gumby Framework, a responsive CSS framework based on the 960 grid you already know.

SitePoint.com - With a vast variety of web design tutorials and articles coupled with a vibrant and well informed community, SitePoint the natural place to go to grow your online business

jQuery UI is the official jQuery user interface library. It provides interactions, widgets, effects, and theming for creating Rich Internet Applications.

ChocolateChip-UI, an open source framework, helps you make great mobile Web apps with the native look of iOS 7, Android, & Windows Phone 8 using HTML5, CSS and JavaScript.

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Onsen UI from Monaca is a Custom Elements-Based HTML5 UI Framework for Building PhoneGap/Cordova Hybrid apps

Foundation by ZURB is the most advanced responsive front-end framework in the world.

The definitive javascript library for mobile HTML5 app development

We help large organizations bring innovative products to market.

Wijmo is a complete kit of over 30 UI widgets with everything from interactive menus to rich charts.