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

Shovel – Study Planner - Shovel – Study Planner is one of the most exceptional apps that is solving the problems of students while planning for study.

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

Class Timetable - Class Timetable is one of the best timetable apps for school, college, and university students that manages your schedule and sync it with the calendar.

Itsycal - Itsycal for Mac. Itsycal is a tiny menu bar calendar. If you want, it will display your events as a companion to the Mac Calendar app. You can also create and delete (but not edit) events. Download Itsycal for macOS 10.

TimeBloc - TimeBloc is one of the premium time managing app that allows you to manage all your daily tasks and make sure that you can complete a single task at a specific time.