site tools

css related

CSS Sandbox: Basic CSS attributes. Simple and convenient "Copy and Paste" resource.

graphic tools

Favicon Maker: Online Tool that generates a Favicon for your website.

competitive info

Google External Keyword Tool: Useful for planning Adsense budgets. Delivers a wealth of information inlcuding estimated monthly search query volume, average price per click, level of competition, semantically related keyword suggestions, and more. You can even inspect competitor's websites.