Sync contacts between Google Contacts and countless other apps
Google Contacts is an online service to manage all the contacts in your digital life from just one place. Whether it’s Windows Live Mail, Aol Instant Messenger or Facebook, Google Contacts will be there for you updating and synchronizing your contact info like a champ. It also promises a robust interface that features drag-and-drop functionality and seamless integration with other apps such as Gmail allowing you to auto-complete names and email addresses without ever leaving the app!
App is available.