My Daily Planner - Organize your day with pen & paper. Free printable template.
Fantastical 2 - Fantastical, the Mac calendar app you'll enjoy using. Quickly create new events with natural language input and more.
Amazing Marvin - Customizable personal productivity tool
Google Calendar - Spend less time managing your day & more time enjoying it
FocusList - Daily planner & focus timer based on timeboxing and pomodoro
Superpowered - Power through the day without your calendar