SEOBook Firefox Rank Checker Extension - Free

Aaron Wall of SEOBook is offering a free Firefox Rank Checking plugin which may come to replace many paid services or software! At only one day old (introduced publicly on March 31st), it's got some significant buzz going - at least on his own site - with over 75 comments already.

Here's a tutorial video Aaron Created which reviews the powerful feature set and use of the tool.

Amazing Stuff Aaron! Thanks for the great FREE tool!