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Free Keyword Tool (SEO) Has Gone Away

The alternative tools available online to help your requirement, like

Keywords

Google Keyword Planner - it's new in market
Bing Keyword Tool - They recommend to use this, if you are targeting Bing
WordTracker - It's Nice - Reveal high performing keywords in minutes.
SEMRush - To know Advanced competitors keywords research tool.

Few more suggestion:
https://adwords.google.com/o/KeywordTool
Keywordspy.com
ubersuggest.org
http://www.spyfu.com