Evercontact - Your contacts always up to date and automatically with Evercontact.
ContactRescue - Magically get your address book up-to-date and accurate
CONTACTBOX - CONTACTBOX combines the simplicity of an address book with effective functions of a CRM system.
Cardhop - The Mac contacts app you'll want to use.
CRM-gx - Contact Management
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.