Design

Illustrations

• Mehibi - Premium and free desugn resources for designers

Icons

• Iconfinder - Icon search engine and marke tplace

Tools

• Color Schemes Designer

Developing

General

• Online regex tester and debugger

Bootstrap

• Free bootstrap themes

Javascript

• Color picker
• Nanobar - Lightweight progress bar
• Doctored.js - User-friendly XML editor (no brackets!)
• Underscore.js - Get rid of loops.
• rowGrid.js - A small, lightweight jQuery plugin for placing items in straight rows.
• Dug.js - JSONP to HTML
• Unheap - Tidy repository of jQuery plugins.
• D3.js - JavaScript library for manipulating documents based on data.
• Lo-Dash - A utility library delivering consistency, customization, performance, & extras.

PHP

• PHP Live Regex - Live regular rxpression tester for PHP
• PHP Simple HTML DOM - A HTML DOM parser written in PHP5+ let you manipulate HTML in a very easy way!

HTML

• XML and HTML character entity references

Objective C

• Lin - A Localization Manager for Xcode 5.
• Alcatraz - The package manager for Xcode.

Mobile

• Ratchet.js - Build mobile apps with simple HTML‚ CSS‚ and JS components.

Other

Licences

• TLDRLegal - Lookup popular software licenses summarized at-a-glance.

Articles

• Semantic HTML
• ProfsoUX - Conference on UX
• Временные ряды
• Rails SQL InjectionExample
• HTML по стандартам
• PHP: правильный путь
• 10 Papers Every Programmer Should Read at Least Twice
• Шпаргалка по Lo-Dash

Datasheets

• Unicode character table
• Словарь терминов по фронтенду

Maps

• Snazzy - Repository of different color schemes for Google Maps.