seo tool share to you

Google Adword tool:  http://www.adwords.google.com

sem rush:keyword related search
http://www.semrush.com

spyfu: rank keyword
http://www.spyfu.com/try-it-free.aspx

woorannk webdite review tool: keyword backlink
http://www.woorank.com

keyword spy:keyword spy tool adword ,yahoo,bing data 
http://www.keywordspy.com

keyword discovery :100 seo data 
http://www.keyworddiscovery.com/search.html

word strem keyword tool. search keyword search
www.wordstream.com/keywords

Google trends:  http://www.google.com/trends

seo quake:firefox tool your keyword side age page backlink known

www.seoquake.com

soovle data collact your site search engines 

http://www.soovle.com/