Teamflow - Feel like a team again with your own virtual office
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.
Pesto App - The digitally native, authentically human workplace.
FullContact Card Reader - Automagically scan biz cards into LinkedIn/Gmail contacts
Qatalog - Your new work hub
Nextcloud Contacts - The Nextcloud contacts app is a user interface for Nextcloud's CardDAV server.