Having the proper tools for SEO is very imporant.
Here is a list of the top free tools. You can be a pro and only need to use these tools:
SEOBook Toolbar – I love this tool. It has everything you need to scope out a page. Yahoo site exploror to show all the links pointing to a site. Page rank, SEOmoz rank, No Follow Tool, and many many many more great tools. This is a must.
Google Keyword Tool – Best way to check keywords and to do keyword research.
Google Webmaster Tools – Best way to check links.
Google Analytic – Best way to track a site’s traffic and performance.
These are all free and easy to use tools that all the pros use.