Microsoft To-Do - Task management tool

Kin Calendar - The simple and connected calendar

Todoist - Todoist is a to-do list that helps you get organized, at work and in life.

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.

doo - A smart, simple app for reminders and to-dos

Dawn Calendar - AI calendar scheduling tool