TaskPaper - Plain text to-do lists for Mac
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.
Microsoft To-Do - Task management tool
Dawn Calendar - AI calendar scheduling tool