Design

• PixelgirlPresents.com - Really nice arty desktops, Windows and Mac icon-sets and more, provides good inspiration.
• Design-Feed.net - Bundled RSS feeds on design.
• css Zen Garden - The Beauty in CSS Design
• Veerle's Blog - presented in the first Design of the Week
• XXODD.nl - Dutch computershop - Design of the Week
• ElementFusion - Internet Development - Design of the Week
• Parcom Marketing Print, web & broadcasting - Design of the Week
• Chilli Design & Multimedia - Design of the Week
• Daisy Marc Jacobs Marketing community site around the launch of this perfume - Design of the Week
• AI Interactive Webdevelopment agency from Taiwan - Design of the Week

Google

• Google Sitemaps - Easy adding your site to Google and keeping it up-to-date
• Google Analytics - Visitor Tracking
• Google AdSense - Advertising on your site

Blogging

• Gravatar.com - used in getting a Gravatar when you post comments on somebody's site.

Web techniques

• sIFR - the flash replacement for text on website
• jQuery - javascript library to speed up all sorts of javascript-tasks
• learning jQuery
• ColdfusionCommunity.org