On-Call Schedule - Quickly update your on-call schedule on Google Calendar
Plan - Plan is a better way to organize.
Fantastical 2 - Fantastical, the Mac calendar app you'll enjoy using. Quickly create new events with natural language input and more.
Kin Calendar - The simple and connected calendar
Cron - Cron Calendar.
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.