Calendarific

Calendarific is a global holiday JSON API and event management & intelligence platform.

20 Alternatives To Calendarific

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Attendexer

With Attendexer you can use the Calendar Insights functionality to gain extensive, and insightful…

ChronoFlo Calendar

ChronoFlo Calendar allows you to make beautiful interactive calendars that you can share on the web.

Etar

Material design open source calendar for Android.
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Gmail

Gmail is available across all your devices Android, iOS, and desktop devices. Sort, collaborate or call a friend without leaving your inbox.

Kolab Community

Kolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite.

Lightning Calendar

Organize your life — it’s about time!
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Nextcloud Calendar

The Calendar app is a user interface for Nextcloud’s CalDAV server.
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One Calendar

OneCalendar is a powerful tool that integrates all your calendars into one easy to read overview. View and manage all your appointments, events and birthdays. Easily filter the information you would like to see.
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Outlook

Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

Rainlendar

Rainlendar - Customizable desktop calendar

Simple Calendar

A simple calendar with events (optional recurring and reminders), week numbers and a customizable…

VueMinder Calendar

Take control of your schedule and get reminded wherever and however you want.

gatherer

Join the easy way in finding appointments with your friends and colleagues with gatherer for iOS…