I run into so many great sites but I often forget all about them in a week or two.  I just ran into another great SEO link today and decided to start putting this valuable sites in a post for future reference.

Google.com/DoMoreWithLess

LinkVoodoo - Free tool to measure your sites quality score and more. Check it out!

Google Insights – See what the world is search for

Google Trends – See search trends

SEOEggHead – SEO Egghead, Inc. is a web development firm started by veteran search engine optimization consultant, author of Professional Search Engine Optimization with PHP, and programmer, Jaimie Sirovich.

SEO Software – Life of SEO software solutions.