On Page SEO Review
You can get a quick look at some on-page organic search ranking factors, with a  review,  showing  definitions and advice. This tool covers 5 on-page search ranking factors instantly, then summarizes with a definition, commentary and specific solutions.
 
Bulk URL checker
You can check the server response of just one or a large batch of URL’s to see which ones might be redirected or which ones might come up 404 not found, and then make that list available for download. The longer the list of URL’s, the longer the tool will take to run.
 
Link Variance
You can put a list of URLs on one side, then a list of varied anchor text on the other side, press a button, and get a complete list of every possible variation of text link and landing page. This list can then be given to bloggers, authors, programmers, etc. to use throughout your content.
 
RSS Feed Commander
This tool will allow you to format any valid RSS feed to display as you wish. You can use the generated code on any website you like.
 
Keyword List Multiplier
You can easily and instantly create a combination of keyword lists to “cover all the bases” for all the different variations of cities, states, categories etc. when setting up a PPC campaign, including google match types.