Thu Dec 27 18:03:20 PST 2018

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Google Sets (http://labs.google.com/sets

Google Suggest
(http://www.google.com/webhp?complete=1&hl=en

Google Suggest Scraper Tool
(http://tools.seobook.com/general/keyword-information/

Google Traffic Estimator
(https://adwords.google.com/select/TrafficEstimatorSandbox

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

GoRank Ontology Tool
(http://www.gorank.com/seotools/ontology/

HitWise: competitive analysis tool (http://www.hitwise.com

KeyCompete ? lists keywords that competitors are buying on
AdWords (http://www.keycompete.com/

Keyword Discovery (http://www.keyworddiscovery.com

keyword directory (http://keyworddiscovery.com/keyword-directory.html

free keyword research tool (http://www.keyworddiscovery.com/search.html

Keyword Intelligence (http://www.keywordintelligence.com/

Lexical FreeNet (http://www.lexfn.com/

MSN clustering preview
(http://rwsm.directtaps.net/p5/clustermain.aspx

Quantcast (http://quantcast.com/seobook.com

Quintura ? keyword research tool (http://www.quintura.com/

SEO Book keyword suggestion tool
(http://tools.seobook.com/general/keyword/

SEO Digger (http://www.seodigger.com

SEO for Firefox (http://tools.seobook.com/firefox/seo-for-
firefox.html

SpyFu ? lists keywords that competitors rank for or are buying
(http://www.spyfu.com/

Tag Cloud: free folksonomy tool (http://www.tagcloud.com/

WordNet: a lexical keyword database for the English language
(http://www.cogsci.princeton.edu/~wn/

WordTracker (http://www.wordtracker.com
free version
(http://freekeywords.wordtracker.com/

Xenu Link Sleuth: finds broken links on your site
(http://home.snafu.de/tilman/xenulink.html