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.

Plan - Plan is a better way to organize.

Google Calendar - Spend less time managing your day & more time enjoying it

Kin Calendar - The simple and connected calendar

Apple Contacts App - Access and edit your contacts from personal, business, and other accounts with the Contacts app.

Kin - Kin is money for the digital world. It is used to generate value through a shared, decentralized cryptocurrency in a digital ecosystem of apps and their users.