1)   e3KWD Check 3.5
e3KWD Check is a lightweight, fast and free SEO tool for analysing keyword density with web and text documents, written for Windows platforms. This tool allows you to run real time keyword density analysis tasks upon your local copy or online pages.

 2)   yourdirectorysubmitter 1.01
Contains over 200 directories that you can submit your sites to. The directory list is updated monthly (so all the dead links will be removed!) Automatically rotate multiple titles, descriptions and keywords to make sure your links seem natural.

 3)   SEOSmart Future PR 1.5
SEOSmart Future PR checks 94 Google data centers to obtain your Web site's Google PageRank with a single click. The new SEO tool is completely free, and returns all 94 results in seconds by querying several Google data centers at the same time.

 4)   Web Optimization Easy Pro 4.50
Easy to know why top 10 ranking webpages and your competitor ranking high in Google, Yahoo and MSN. Easy to know how to optimize web to improve search engine rank. Easy to help you update your website to get top 10 ranking.