Morgen.so - All-in-one Calendar, Tasks & Scheduler. Morgen is the single hub for everything that revolves around time management.
ClassUp - ClassUp is one of the scheduling apps that proves helpful for students to manage their class timings, notes and organize their tasks.
Google Calendar - Spend less time managing your day & more time enjoying it
Cute Note - Cute Note is one of the most elegant applications which provides its users with the facility of a simple notepad and to-do list.
Fantastical 2 - Fantastical, the Mac calendar app you'll enjoy using. Quickly create new events with natural language input and more.
List:Daily Checklist - List:Daily Checklist is one of the most-exceptional apps that makes its users punctual, consistent, and sustained them for a long time.