Contextual Ads Preview/Comparison Tool

This tool is helpful in comparing AdSense ads to those of other..

AdSense Calculator it allows you to quickly calculate how much you can make given daily impressions, CTR, and CPC.

AdSense Sandbox this is a handy little utility if you would like to see what sort of Google AdSense ads are based on content or keywords. This tool lets you see LOTS of ads that Adsense may be displaying on a site. Why is this good? Simply put, you can look at ads that show up for your competitor’s site. And why is THAT good? You can use it to help out your own ad campaign.

Adsense Notifier (firefox) Adsense Notifier simply shows your adsense stats on the status bar and updates the stats automatically. This is wonderful for anyone with OCD ( or GAD as some have called it ) who needs to check their stats every three seconds to see if they have gotten any more clicks :-p