Services and Tools

Cut&Slice me - free Photoshop plugin, that helps you prepare design elements for different types of devices.

Webplatform.org - A huge database of documentation on all web technologies from Apple, Adobe, Facebook, Google, HP, Microsoft, Mozilla, Nokia, and Opera.

Mobile Mozaic - gallery of great mobile app interfaces.

Ribbon Builder - service for quickly creating beautiful stripe ribbons.

Viewport Resizer - a bookmarklet tool for quick adaptive design testing.

Endless Icons - site, where quality icons appear daily, sustained in the same style.

World Cloud Generator - a service to create a beautiful cloud of keywords.

Responsive Sketchsheets - ZURB PDF blanks for rapid prototyping of responsive design on paper.

Simply Testable - site validation service with Twitter Bootstrap interface. Checks many pages.

Plugins

jBar - plugin to create a simple and beautiful horizontal bar.

Pikaday - plugin for date picker.

Sly - a flexible and simple plugin for creating convenient scrolling images.

Spin.js - a useful plugin for creating a boot "twist" of the desired size and shape.

SEP Tooltipster - jquery-plugin, Helps you quickly create beautiful tooltips..

Free buns

OCT Application Icon Set - a set of 120 icons for applications in png formats, psd, csh.

Selection background textures and patterns for photoshop and illustrator. And one more similar selection.

Шрифт JWH from Dima Baga

Prosto - cool font from Pavel Emelyanov and Ivan Smooth.

Ligature Symbols - icon font with 200+ characters in SVG formats, ROT, TTF, WOFF от Kazuyuki Motoyama.

Excellent device layouts with different screen resolutions to demonstrate responsive design.

Fancy gesture icons on the touchscreen.

Free quality Ui kit.

Golden Bootstrap - a set of less rules for Bootstrap, which allows you to arrange site elements according to the golden ratio rule.