Web Design Primer
W3 Schools • Web Reference
W3 Schools is a handy online reference to HTML tags, CSS styles, special characters, and other information. If you’re not sure how to write a tag or a style or are having difficulty getting it to work, look it up on W3 Schools using the Search function.
Balsamiq • Mockup Tool
Balsamiq is an online mockup tool for designing web pages.
jQueryUI.com contains code to further extend jQuery with visual support and many functions such as date-pickers, sliders, and drop-down menus.
“CSS Diner” • Practice with CSS Selectors
The CSS Diner site is a 26-level interactive exercise for practicing CSS selectors.
CodeAcademy.com • Web Reference and HTML Tutorial
Apple Xcode for iOS Apps