Free Keyword Tracking Tool
Want to track keywords in Google?
This tool will keep track of up to 100 keywords at a time. It will track your keywords in the first 200 results of Google. It will automatically track keywords in Google so you don’t have to.
Free Keyword Tracker with email updates
They will email you once a week to show you whether your keywords have improved in the Search Engines.
Not only will it track keywords in Google but it will also track keywords in Yahoo.
You don’t have to download anything either. As well as tracking keywords it tracks page rank and number of backlinks.
Here’s the link http://sheerseo.com