Free professional keyword tracking tool. Monitor keyword evolution in Google, Yahoo and MSN. Check if your SEO efforts are successful and track your keywords rankings. Add keywords one by one or in bulk, check multiple websites at once. You can view evolution charts and daily changes. You can disable or delete keywords. Requires an account to be created and your own google API key. It's 100% free.
WinXP, WinVista, Win7 x32, Windows2003, Win98, WinME, WinNT 3.x, WinNT 4.x