Track your rankings in the SERPs over time, complete with charts and detailed tracking information. Includes export options for Word and Excel. Automated reports are emailed weekly or monthly based on your preference.

The Top 10 analysis SEO tool checks the top ten ranking sites in Google, Yahoo and MSN

SeoDigger has given product is aimed at helping webmasters with search optimization. It allows user to analyse which keywords can be used to find given domain in Google search engine.

Spam-o-Meter looks at several parts of the page, and assigns + and - points against the ranking. After all checks have been completed, a final ranking is given, between 0 and 10. Checks are done by spidering the links page that you specify and homepage, then doing some calculations. It also checks Google PR and whether the page is indexed (only if PR is zero).