Golden Keywords - description from Softdepia.com:
Careful keyword research is an essential step in web site optimization. Golden Keywords will help you find best keywords for your website so that customers can easily find you.
Features fast exhaustive keywords discovering and easy-to-use interface for ranking and grouping found keywords. This new keyword generator allows you to find out up to 100 Golden Keywords absolutely for free (available within first 10 days of evaluating only).
Golden Keywords is a "Free to try" program. You can download and try it for an evaluation period.