Best Keyword Research Tools

I surveyed hundreds of small business owners and asked them which keyword research tool they used, trusted and would recommend to others. The services you see listed here are the results of that survey.

I had two main criteria for a service to make my list:

1. Proof of Customer Satisfaction. The service must have legitimate, verifiable customer testimonials. If I couldn't verify the testimonials, I didn't list the service. It's that simple.

2. Longetivity. The service must have an online track record of at least three years.

ISpionage
http://www.ispionage.com
http://www.ispionage.com/Testimonials
Online since: 2007

Keyword research, keyword clean up, keyword grouping & campaign building tool -- in one seamless application. In depth keyword tracking across Google, Yahoo and MSN.

Keyword Discovery
http://www.keyworddiscovery.com
http://www.keyworddiscovery.com/testimonials.html
Online since: 2004

Keyword Discovery can tell you the search phrases people use to find products and services, as well as the search terms that drive traffic to your competitors.

Keyword Elite
http://www.keywordelite.com
http://www.keywordelite.com/Testimonials1.htm
Online since: 2005

Not only will Keyword Elite 2.0 do anything that any of the other research tools do... But it will also go way beyond that. Keyword Elite 2.0 can do things you won't believe. And it's all designed with one clear goal: to increase traffic to your website and make more sales.

Keyword Spy
http://www.keywordspy.com
http://support.keywordspy.com/testimonials
Online since: 2002

Build a profitable list of keywords using your competitors’ keywords and by accessing a massive database of related and similar terms and phrases.