Super Parallel Directory

AskScott

http://www.askscott.com/

Helps you choose the most appropriate search tool for your searching need through a simple, question-and-answer interface and Web search tutorial.

GoGuides

http://www.goguides.org/

Helping millions of people find information on the web one search at a time.

How to Follow Google Webmaster Guidelines

http://www.feedthebot.com/

Explains google's webmaster guidelines in detail with definitions, examples and explanations. Includes articles and spider simulator tool.

Info.com Meta-Search

http://info.com/

Allows you to search multiple leading search engines at once, returning more comprehensive and relevant results fast.