Resources for Web Developers:

WebDeveloper.com

Web Monkey

Useful Applications:

Joomla

Snippetmaster

Xtivity

Hiveware Email Address Enkoder  - I use this on my sites to prevent spammers from harvesting my clients' email addresses

Free Goodies:

Free Website Templates

Myspace Pimper

Free Backgrounds

Stock Photos:

Dreamstime

BigStockPhotos

Search Engine Enhancement:

Register with Google

Free Website Submission

SearchEngines.com

Basic Computer Tips:

Keyboard Shortcuts for Windows