Keyword Elite
#2 - Keyword Elite
This versatile software is really five tools in one. You can plug in any keyword or keyphrase and Keyword Elite will go to work finding up to 10,000 related keywords. You can then check the found keywords to determine competition levels for each one including the all important results-to-search ratio and Adwords bid price range. Keyword elite will also create keyword rich content pages and Adwords ads for you. Last but not least it will monitor your competition for each keyword you are using.
If you are looking for a great tool to help find the right words for your paid search campaigns, of if you want to find more profitable niches to build pages and sites around, this is the best thing on the market.