(X)HTML

• W3 Schools HTML Tutorials
• Why tables suck for layout
• HTML 4.01 Specification
• W3 HTML Validator
• FAQ-HTML
• How to properly use META tags
• HTML Tidy
• HTML 4.01 Full Tag Reference
• HTML Dog-Beginners Tutorial
• HTML Dog-Intermediate Tutorial
• HTML Dog-Advanced Tutorial

CSS

• About CSS
• W3 CSS Reference Sheet
• CSS Column Fixes
• Pure CSS Image Gallery
• Pure CSS Image Gallery 2
• Layout Gala
• Creating websites using CSS
• Overview of CSS Techniques
• Will this work with that browser?
• Relativley Absolute-Clearing up the terms
• CSS Panic Guide
• CSS Reboot
• Modular CSS
• CSS Support Forum
• Position is Everything
• Whitespace:Learning CSS
• ILoveJackDaniels-CSS Cheat Sheet
• CSS and Browser Compatibility
• CSS Discuss
• CSS Max Design (Tutorials)
• CSS Validator
• Full CSS Guide
• Meyer Web

PHP

• PHP for the Absolute Beginner
• PHP.net Manual
• PHP Power Programming (free online book)
• Developers Recommended Reading List
• PHP Zend Developer Zone
• PHP dBug
• Debugging Techniques for PHP Programmers
• WASP
• PHundamentals
• Joomla CMS
• Drupal CMS
• Wordpress CMS
• PHP CookBook
• PHP Editors
• Advanced PHP Resources
• PHP Filters
• PHP Magazine
• PHP Hotscripts
• CakePHP
• PHP Functions Reference Guide
• PHP Developer
• Developers Tutorials
• How to Optimize your PHP code.
• Programming PHP-WikiBook
• PHP Security Guide
• PHP RSS Parser
• PHP Cookbook
• The Hitchhikers Guide To PHP
• PHP Buzz
• PHP Freaks
• PHPCommunity.org
• Planet PHP
• PHP DevCenter
• Searching With PHP and MySQL
• Accelerating PHP Applications
• PHP Cheat Sheet-ILoveJackDaniels
• DevShed
• DevNetwork Forum
• PHP FAQT’s
• PHP Builder
• PHP Zend Code Gallery

JavaScript

• W3 Schools JavaScript Tutorial
• ECMA Specifications
• JavaScript Lint
• JavaScript Object Tree
• W3 DOM Specifications
• Mozilla Development Center-JavaScript
• QuirksMode:JavaScript
• JavaScript Toolbox
• JavaScriptKit.com-Reference
• JavaScript Cheat Sheet-ILJD
• DOM Inspector
• JavaScript Debugger
• Top 10 JavaScript Functions
• Prototype
• Script.aculo.us
• Top 10 Practices for Writing JavaScript
• Spider Monkey
• FireBug (FireFox Plugin)
• Ajaxian
• JSAN
• AJAX Source Kit
• Moo Tools
• Moo.fx
• Prototype Dissection
• 30 AJAX Tutorials
• JSView (FireFox Plugin)

Design Examples/Inspiration

• Digital Web Magazine
• Google Doctype
• Web Monkey
• Boxes and Arrows
• Blog.Spoon Graphics
• Web Designer Wall
• Style Grind
• Share Brain
• Design Float
• Web Resources Depot
• Signals Versus Noise
• Snook.ca
• Wake Up Later
• Think Vitamin
• Woork
• Net Tuts
• Design Reviver
• Sites you shouldn’t miss in June 2008

**NOTE: This list is updated frequently, if you have a site that you would like to add, leave me a comment below or email me the URL. If it seems fit, I will put it onto the list ASAP.