Create an up-to-the-minute to-do list complete with reminders via instant message or e-mail through RememberTheMilk.com. Upload Remember The Milk to your cell phone and you'll always have your grocery list with you. And when someone at home adds to the list while you're walking into the store, you'll be sent an update. www.textreminders.net

The majority of the site's features are free, but a subscription ($25 for the year) gives you access to some additional premium features.