From The Roving Group:
Tired of setting up your contacts again and again in each application you use? With RovingContacts those days are history! This contact management system lets you manage your address book from one online location. You can easily sync contacts between business and social media apps, and share your contacts with colleagues, social groups, or service providers. Save time, increase accuracy, and stay connected. With RovingContacts you're free to roam.