At the bottom of this page are a link to a free keyword research PDF and a few more free background videos about understanding keyword research and using keyword research tools.

Variety is the Spice of Life

SEO Toolbar – Free toolbar that adds a dozen cool keyword research tools right in your browser. Pick your favorites amongst them and search all of them with 1 click whenever you want to do keyword research.

Traditional Keyword Suggestion Tools

• SEO Book Keyword Suggestion Tool – tool shows top keyword phrases from Wordtracker.
• Wordtracker Free Keywords – free keyword suggestions from Wordtracker. Wordtracker also has a more advanced paid version, and sells top keyword reports.
• Google AdWords Keyword Suggestion Tool – recommends keywords based on a keyword you enter or a URL you have the tool analyze
• Google Suggest Tool – shows frequently search for phrases starting with the words and letters in your query.
• WordStream Keyword Tool – allows you to export a list of thousands of keywords for free.
• Keyword Discovery – free keyword tool from Trellian. Trellian also has a more advanced paid version of Keyword Discovery.
• Microsoft Keyword Forecast – shows predicted Microsoft search impression count and historical trends.
• Wordze – nice for generating decently large keyword lists quickly and inserting them into paid search campaigns.
• Yahoo! Search Marketing – Yahoo! has a keyword research tool inside their platform. It is really bad marketing of them to only have the new tool accessible inside their platform, while neglecting their old keyword tool.

Keyword Valuation Tools

• Google Traffic Estimator – shows the estimated bids prices and ad clicks for the top ranked AdWords ad. Allows you to check for [exact match], “phrase match”, or broad match.
• Google Search Based Keyword Tool – shows keyword search volume estimates and keyword values…by keyword, site, or category.

Keyword Extensions

SEOBook Competitive & Keyword Research Tool

Source:seobook.com