Web design

HTML, CSS

• ISO 8859-1 table with HTML entity names
• Textile
• Morons in web space
• Guide to cascading style sheets
• HTML Tag Reference
• Converting HTML to CSS
• HTML 4.0 tags, style sheet attributes, sample HTML code
• HTML validators: HTMLHelp, W3C
• Listamatic One list, many options
• SimpleBits : Mini-Tab Shapes
• All CSS properties listed alphabetically
• Your Redesign Toolbox (Rands in Repose)

RSS, RDF, other syndication formats

• RSS 2.0 Specification at Harvard Law
• RSS 2.0 Specification at Feed Validator
• Atom wiki