#7. DontForgetYourToothbrush.com

Are you cruising in the Caribbean this winter, hitting the slopes in Aspen or just spending a week with your in-laws? Wherever you plan on traveling, be sure to visit DontForgetYourToothbrush.com to make a checklist of what you need to pack and prepare in advance before you go. The site is simple — sign in with a user name and password, choose the type of trip you're taking and then start checking off the appropriate to-do items, like "book ski lessons," "arrange a house-sitter," and "check flight times." You can print out the list and carry it with you, or have email reminders sent to you before your trip. The site also includes handy links to websites where you can take care of chores like renting cars, booking campsites, and getting a new passport.