SiteProNews has an excellent article on how you can use an assortment of free tools to “spy” on your competition.

In reality these are all great competitive intelligence gathering tools. When used properly one can learn a lot about their competitors.

Take the first one they mentioned: SpyFu. It is a great, rock solid competitive intelligence gathering tool.

Another great free tool is Google Alerts. With this you can set alerts to monitor if your competitors are mentioned in news or blogs, as well as monitor any rankings changes they may receive.

And that’s just 2 of the 5 tools. Be sure to read the article for the other 3.