Cardhop - The Mac contacts app you'll want to use.
PackageX Receive - PackageX Receive digitizes package-receiving operations and delivers world-class package management solutions.
Keep In touch - Keep in touch with thousands of people
AfterShip - AfterShip is the shipment tracking API for ecommerce businesses and marketplaces.
Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.
DelivApp - Software for managing online ordering, delivery and loyalty for multi-unit restaurants