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.
Threadbeast - Threadbeast is a subscription-based online shopping store that allows you to get to personalize the box with amazing stuff.
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Five Four Club - A curated wardrobe for every season, delivered to your door
Nextcloud Contacts - The Nextcloud contacts app is a user interface for Nextcloud's CardDAV server.
DelivApp - Software for managing online ordering, delivery and loyalty for multi-unit restaurants