Software
We've compiled a list of 43 free and paid alternatives to Calendar. The primary competitors include Google Calendar, Microsoft Office Outlook. In addition to these, users also draw comparisons between Calendar and Lightning Calendar, Apple Calendar, VueMinder Calendar. Also you can look at other similar options here: Office and Productivity Software.
We've compiled a list of 43 free and paid alternatives to Calendar. The primary competitors include Google Calendar, Microsoft Office Outlook. In addition to these, users also draw comparisons between Calendar and Lightning Calendar, Apple Calendar, VueMinder Calendar. Also you can look at other similar options here: Office and Productivity Software.
881
With Google Calendar, its easy to keep track of all your lifes important events in one place.
357
Part of the Microsoft Office Suite, Outlook is a personal information manager that lets you manage your e-mail, calendar, contacts, and tasks.
195
Organize your schedule and events in a calendar fully integrated with Thunderbird or Seamonkey...
147
35
29
An online calendar application that includes a shared calendar, website plugins, room &...
29
GMinder is a reminder program that waits in your system tray and alerts you when you have an...
22
An offline calendar for your events without ads, respecting your privacy.
21
Zoho Calendar is a free online calendar application that helps you to track your appointments and...
20
10
Calendar is a time-management web application by Microsoft.
Calendar is a time-management web application by Microsoft.
Web-Based
Calendar, part of 
Office Online , is a time-management web application by Microsoft.
With Calendar, you can track appointments, share your calendar, set reminders, and let others know when youll be free - and when you're busy. With ToDo List.
Calendar supports iCalendar files for users to import calendar entries into their calendars.
Shared calendars
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