HTML5 Custom Data Attributes (data-*) | HTML5 Doctor
Custom data attributes are intended to store custom data private to the page or application, for which there are no more appropriate attributes or elements.
CakePHP File Uploader (Plugin)
An all around general purpose file uploader for CakePHP. Packaged as a stand alone plugin with file validation, file scanning and support for a wide range of basic mime types
Snoopy | View-source bookmarklet for iPad, iPhone and other mobile devices
Super handy
Ultimate List of HTML5 and CSS3 Tools | Admix Web
great tools that can help you to master these new features of both HTML5 and CSS3
ProtoFluid - HTML5 and CSS3 Web App Prototyping
Test your @media queries and web app on various screen sizes
Safari Reference Library
The Safari Reference Library provides detailed information for web developers on iPhone, iPod touch, Mac, and PC. These resources include guides and articles, API reference documents, sample code, release notes, and technical notes. Use these resources to learn about Safari's developer tools, visual effects, HTML and CSS support, JavaScript and DOM support, and other features and technologies. The library is organized by Topics and Resource Types
Let’s Take This Offline - Dive Into HTML 5
In depth HTML5 storage - excellent as usual
CSS selection styles
::selection
Optimiser son application web pour iPhone ou iPod Touch
Good summary of principal tips to start off with
HTML5Rocks - Best Practices for a Faster Web App with HTML5
Google's tips and playground
Announcing an HTML5 mobile app framework for touch devices
check this out
Image Cross Fade Transition with jQuery
Fade one image into another @rem
jQuery UI Development & Planning Wiki / Essential Controls List
jQuery Plugins Toolbox
List of jQuery plugins
Full Frontal - JavaScript Conference - 12th November 2010
I'll try to go to this one
Install multiple versions of IE on your PC | TredoSoft
For use on Windows
Carrer Blog: The Golden Grid
Another grid system based on the golden ration
TextMate Bundle for jQTouch : Jonathan Stark
Sweeet
24 ways: The Web Is Your CMS
YQL allows us to access web services and even the data embedded in web documents in a simple fashion – SQL style.
24 ways: Working With RGBA Colour
Daring Fireball: A Liberal, Accurate Regex Pattern for Matching URLs
A common programming problem: identify the URLs in an arbitrary string of text, where by “arbitrary” let’s agree we mean something unstructured such as an email message or a tweet.
jQTouch
AjQuery plugin for mobile web development on the iPhone, iPod Touch, and other forward-thinking devices.
zen-coding
Set of plugins for HTML and CSS hi-speed coding
node.js
Node's goal is to provide an easy way to build scalable network programs
Closure Tools - Google Code
Open source JavaScript compiler, debugger, library, and templating system from Google
Jeditable
Edit In Place Plugin For jQuery
Regular Expression Examples
Handy with good examples for webdev
WriteMaps Site Map Application.
Create, edit, and share your sitemaps online
PHP Security Guide: Sessions
Topic on session security