Mint

From Intuit:

Mint is the freshest, most intelligent way for you to manage your money online. Not only is Mint free, it saves you money. While existing personal finance software solutions require hours to set up, a passion for accounting, and hours of weekly maintenance, Mint is virtually effortless. With Mint, you can be fully up and running in less than five minutes. After that, revolutionary, patent-pending Mint technology does the rest, with virtually no more work required.It automatically pulls together your bank, credit union and credit card data, and provides up-to-date and amazingly accurate views of your financial life - from the big picture to specific details, in a friendly and intuitive way. In addition, Mint goes beyond visibility and analysis; providing personalized money-saving and money-making suggestions.

Mint provides users an average of $1,000 in savings opportunities during their first session. Plus, Mint is accessible from your desktop, laptop or cellphone. Mint is a modern, powerful, easy and secure web-based solution for managing your finances. And its free. You register anonymously using any valid email address, and then add the log-in information for the online bank, credit union and credit card accounts you want to consolidate in Mint.