SEO Tools ...

I was just going through some website searching for some good things related to my work but unfortunately( I was finding an other thing) or fortunately ( I found a good thing) I got a website containing a lots of tools for the SEO.. I am not sure that it is useful or not for as it is not that much reliable but I love to SEEKING out some new and good things .. and i think this will be one of it !!! I am really really sure that these tools + this site will help me in future.. I am posting the link of the site please do help me in checking out all the tools..
It contains:

1: back link checker
2: EDU and GOV link checker
3. A lots of keywords tool
4. Search engine tools
5. Links tools
6. Rank checker tools
7. Header/Tag tools

now here is the link of that site : http://forcesubmit.com/

please do let me know your comments

Thanks
8. IP Checker tools