Cron - Cron Calendar.

Plan - Plan is a better way to organize.

KosmoTime - The to do list with super powers

Kin Calendar - The simple and connected calendar

Vimcal - Vimcal is the world’s fastest calendar, beautifully designed for people who work remotely and live in their calendars.

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.