WordStream has launched a free keyword research tool that is meant to mange keywords to help in your search marketing efforts. This is to provide quality content for the broad search marketing audiences.
This free research tool will help marketers better manage their time,achieve higher Quality Score results for PPC and better search engine rankings for SEO, which results in more traffic. The tool does not give the exact number of searches, but ranks high just similar to Google's tool. Unlike Google's tool, it allows you to get all the keywords emailed to you.
An email from the Company states "WordStream offers a database comparable to paid keyword tools, but we always return your full list of keyword suggestions–not just the most popular keywords–completely free,"