As WordPress evolves, a lot of users have written articles on using WordPress. Here are a few highlights. These are not checked nor endorsed by WordPress and listed here as a reference for you.

WordPress Related Information

Official WordPress Sites

• WordPress Development Blog
• Planet WordPress
• WordPress Codex

Other WordPress Related Sites

• WordPress Quick Fix Guides
• PhotoMatt by Matt Mullenweg - Founding Developer of WordPress
• Ryan Boren's WordPress Archives and News
• Alex King's WordPress Themes, Plugins, and Information

Articles About Using WordPress

About WordPress

• At the Forge - WordPress
• PhotoMatt's Notables - Who is using WordPress
• What WordPress Does Right
• ATAG assessment of WordPress 2.01 alpha: Evaluating WordPress against Authoring Tool Accessibility Guidelines

WordPress for Beginners

• Working with WordPress: An Initial Start

WordPress Tips and Techniques

• Codeworks.gnomedia's WordPress-lite - WordPress on a Diet
• How to limit number of posts with WordPress
• Taking Your Camera on the Road - WordPress Resources
• Bloggin Pro's Backing it up or lose it

WordPress Design

• Intergrating WordPress Into Your Own Site
• Anatomy of a WordPress Theme
• Templates and the is functions
• Visual Anatomy of a WordPress Theme

WordPress Themes

• WordPress Approved Themes
• The "official" WordPress Theme List
• Alex King's WordPress Theme Competition
• Otto's 2.7 Comments Enhancements

WordPress Development

• WordPress Development Blog
• Technosailor's WordPress Development Blog
• How to Write a Simple WordPress Plugin
• WordPress 1.5 Text Flow Chart - Graphic
• WordPress Text Flow vs. Markdown

WordPress Security

• Fixing Common WordPress Security Issues

WordPress Foreign Language Issues

• Mundogeek's Plugins Para WordPress (Spanish)

Sites with Information about Blogging

• About.com's Information about Weblogs

WordPress Contest Information

• Alex King Discusses WordPress Theme Competitions

WordPress Web Designers

• Prairie Design - Blog design and WP hosting
• WordPress Pro Mailing List - Looking for Professional Services.