Suggest me some Good tools for me to select keyword list of my site?

I use WordTracker pretty much every day. It's one of my most valuable tool

Google's keyword tool will be preferable.

Google Adwords and Google Insights and keyword discovery as well..

I use Google Adwords Keyword tool for this purpose. As a complement, I think picking up your own keywords from your top 10 competitors' title tags is really helpful, too. :)

Thanks,

why not try market samurai. at least go to the website and check it out. The price you pay for it will be made back many times.

I suggest google adwords it is the best tool for keyword suggestion.

Also try to use google insight to check what is the most popular keywords on targeted aria.