Google Calendar - Spend less time managing your day & more time enjoying it

Clockwise.com - A suite of tools that give individuals and teams the time and focus to accomplish their priorities

Menu Bar Calendar - Quickly access a monthly calendar from your menu bar.

Kaboome - Kaboome is a revolutionary new time blocking application that aims to improve the way people manage their time and increase productivity.

Fantastical 2 - Fantastical, the Mac calendar app you'll enjoy using. Quickly create new events with natural language input and more.

ReclaimAI - Helps users prioritize their work and personal calendars