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.
Drop: Exchange Contacts - Seamless, cross-platform exchange. NOT another 'bizcard app'
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Sharetapes - Smartphone compatible NFC Mixtapes for Spotify & Youtube
Nextcloud Contacts - The Nextcloud contacts app is a user interface for Nextcloud's CardDAV server.
visionaryPass Painted - A hand-crafted NFC card with futuristic scribble art