Awesome Cal - Awesome Cal is a Calendar application for your iPhone that you can take anywhere and keep close by to monitor all the upcoming birthdays, festivities, meetings, and more from a single place.
Google Calendar - Spend less time managing your day & more time enjoying it
CallZen.AI - Conversational AI for Customer Success
Jorte - Schedule books must be practical and has a good design.
Streaks - The to-do list that helps you form good habits.
Business Calendar - Powerful and easy to use calendar app for Android including weather, widgets and tasks.