A set of Free, helpful, quality User Interface Design elements, icons and styls to design faster wireframes and create better mockup deliverables in Illustrator. The set contains: GUI library – Hundreds vector elements for interface design Minimal UI icons set – 260 vector icons for Illustrator Styles library – 200 styles to apply in Illustrator [...]

Free Yahoo Design Stencil Kit Yahoo Design Stencil Kit version 1.0 is available for OmniGraffle, Visio (XML), Adobe Illustrator (PDF and SVG), and Adobe Photoshop (PNG). Download Yahoo Design Kit iPhone PSD Vector Kit iPhone Starter Kit, a set that comes with several button elements as well as six different iPhone interface options. This pack [...]

Handpicked collection of Beautiful, Creative & modern website footer for designers. A very handy pack for design references.

GTK+ is a highly usable, feature rich toolkit for creating graphical user interfaces which boasts cross platform compatibility and an easy to use API. GTK+ it is written in C, but has bindings to many other popular programming languages such as C++, Python and C# among others. This Free Toolkit for Creating Graphical User Interfaces [...]

MochaUI is an open source web applications user interface library built on the Mootools javascript framework.This Free library can be used for making Web Applications, Web Desktops , Web Sites, Widgets and Standalone Windows and Modal Dialogs. MochaUI is made with canvas tag graphics. Features No images. The windows, including their controls, gradients and shadows, [...]

This plug-in was inspired by the extJS border-layout, and recreates that functionality as a jQuery plug-in. The UI.Layout plug-in can create any UI look you want – from simple headers or sidebars, to a complex application with toolbars, menus, help-panels, status bars, sub-forms, etc. Combined it with other jQuery UI widgets to create a sophisticated [...]

Bad Usability Calendar is a calendar displaying “user interface design tips” with a sense of humor. It has examples of exaggerated use of fancy Web 2.0 design, cover flow, personalization, pull-down menus and more… Examples from the tips: Don’t require login if you don’t have to Offer personalization where it adds value It is presented [...]

Feng-GUI is a free web based service that enables you to view: “which areas of an UI is getting the most attention when an user looks at it in 5 seconds”. With an artificial intelligence behind, the service generates a heatmap over an image uploaded. Generated heatmap’s opacity can be changed for a better view [...]