3D Halftone

High-Res Paint Strokes: Set II

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Create a Booklet-like Component: BookBlock

JavaScript Flipbook Library (Look Like a Real Book or Magazine): turn.js

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Franchise

Facunda Font

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350 Free Vector Web Icons

PSD Flat Icons

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This is a great collection of GUI’s, mock-ups, UI and design elements with PSD source files, skeuomorphic interface samples for all app designers. Make sure you bookmark this in your favorites.

Twitter App UI for iPhone 5 (PSD)

Polaris UI Kit: Free PSD

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User experience (UX) is how a user feels when interacting with a system. The system could be a website, a web application or desktop software and, in modern contexts, is generally denoted by some form of human-computer interaction (HCI).

Rapid Prototyping Tool: Axure

Creates Responsive Interactive Wireframes And Prototypes: UxPin

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Flat UI Free – PSD & HTML User Interface Kit

Flat Dashboard – Free UI kit PSD

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Metrize Icons is a collection of 300 Metro Styled free vector icons that works perfectly for your apps or web projects. You may use these icons for both commercial and personal projects and customize them any way you like.

The Metro Styled icons package includes:

• PSD source file
• SVG
• EPS
• AI
• PDF
• Web Font

Finding sample avatars for interface design can be super annoying, and here comes the uiFaces, it is a web based application for getting suitable free avatars for your mockups and demos.

DyLay is a jQuery plugin which allows to create dynamic layout very easily.

Dylay is responsive and tested in Safari, Firefox 1.5+ , Internet Explorer 6+, Opera 9+ and Chrome.