Future - Calendar events around the clock
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.
Loxi - Easily add an events calendar to any website.
BusyContacts - BusyContacts is a contact manager for macOS.
Event Calendar App - A simple, easy to manage, way of displaying events
Plan - Plan is a better way to organize.