hi, according to me seo quake and Google Adwords are efficient tools.they are free tools and effective in finding the rank of page and used in key words analyzing for a site respectively.
What kinds of tools you asking, In SEO there are many wonderful tools will be there. Actually your question is not clear. Whatever i have used for SEO listed here. Competitor Analysis:spyfu.com axandra.com/seo/free-seo-tool getclicky.com hittail.com Backlinks Analysis: backlinkwatch.com Keywords Suggestion Tools: ubersuggest.org keywordcountry.com Others, Google analytics Google webmaster I hope this list will may be help to your SEO purpose. if you have any queries please let me,.
I actually like using the keywordstrategy.org tool...it is kind of an all around site maintenance tool and works great! Keeps track of your rankings and will automatically do internal linking for you which is huge these days
There are many tool available for seo.some of under the below. -google webmaster -google adword -backlinkchecker -pagerankchecker -google analytics
Google Rankings Prsearch Adsense Calculator Multi Page Rank Checker Check Google Pagerank Search Engine Position Google Position Tool Visual PageRank Overlay Page Rank Tool Page Rank Check Google PageRank Prediction SEO Meter