RankPulse - Your Google Ranking Fluctuating?
RankPulse tracks the 5 month Ranking history for 1000 selected Keywords in Google.

AdSense Ad Display Tool
This AdSense Ad Display tool allows you to enter an URL and see what AdSense Ads Google would display for your URL.

Yahoo-Google Search - Working Together
The Yahoo-Google Search tool gives you the top 100 Yahoo results and notes the Google position on the side of each of the Yahoo results. After the top 100 Yahoo results it displays the Google results.

Keyword Competition Analyzer
This Keyword Competition Analyzer tool displays the number of web pages on Google, Yahoo, MSN & HotBot that contain the keyword you enter.