Google Tools For Keyword Research

                             Tool One

Name : Google global market finder
Description : This is a new and different spin on the Google keywords tool. You can use it to browse keyword trends by countries, and you can drill down into synonyms based on the primary Google keyword tool. In some ways it's just a cooler, faster way to generate a list of keyword synonyms even if you aren't really interested in geographics. Check it out, it's a COOL TOOL.
Rating : 5 Stars

                                               Tool Two

Name : Google keyword tool
Description : If you are setting up a pay-per-click advertising campaign, and/or working on your own SEO strategy, this free tool from Google is very helpful. Enter a keyword and Google will show you the number of recent searches by that keyword as well as related keywords, by which you can determine adjacent interesting keywords for your efforts. As of Summer, 2010, the tool is undergoing an interface update. Stay tuned! 
Rating:  5 Stars

                           Tool Three

Name : Google suggest and google related searches
Description : From the Google home page, enter a target keyword phrase such as 'Flower Shop.' First, notice the keywords 'suggested' in the pull down - that's called Google Suggest, and can be very uself. Second, do an actual search, then on the far left, click on 'More search tools.' Select 'Related Searches' to see other related searches to your search term. A fantastic ways to identify potential target keywords and keyphrases! 
Rating: 5 Stars