With Google Calendar, its easy to keep track of all your lifes important events in one place. You can add events and send invitations effortlessly, share your schedule with friends and family, and search for events you might enjoy.
- - Google Calendar is the most popular Web-based, Android, iPhone & iPad alternative to 1calendar.
- - Google Calendar is the most popular free alternative to 1calendar.
Google Calendar Features
Microsoft Outlook, part of the Microsoft 365 (Office) (not to be confused with Microsoft Outlook Express), is a personal information manager that lets you manage your e-mail, calendar, contacts, and tasks.
- - Microsoft Office Outlook is the most popular Windows & Mac alternative to 1calendar.
- - Microsoft Office Outlook is the most popular commercial alternative to 1calendar.
Microsoft Office Outlook Features
Keep track of your busy schedule and share it with others using Calendar. Create separate calendars — one for home, another for school, a third for work, and so on. See all your calendars in a single window or choose to see only the calendars you want.
BusyCal is the most powerful, flexible, heavily customizable, reliable calendar app for macOS. It's packed with time-saving features and compatible with all leading cloud services including Reminders, iCloud, Google, Exchange, Office 365, Yahoo, Fastmail, Fruux, Kerio, Zoom...
A fully fledged, free email server solution, an open source project (GPL v2).
Use official binary packages from Linux/BSD distributions, with both i386 and x86_64 support.
Easy, fast deployment in LESS THAN 1 MINUTE. View YouTube Video to check how easy it is.
Works on both no.
- - iRedMail is the most popular Linux & Self-Hosted alternative to 1calendar.
- - iRedMail is the most popular Open Source alternative to 1calendar.
Android calendar-app showing the weeks of the year (week numbers), 21 languages, syncable with Google Calendar:
You can view an entire month or focus on a specific date and time.
You can also assign colors for different calendars and to-do lists, and drag-and-drop events between dates or years. Yahoo! Calendar gives you more control to share your calendars and events. You can control how.
Yahoo! Calendar Features
Experience the ease of use of a weekly calendar in the palm of your hand! Easy Calendar is the new easy way to plan your day. Designed around frequent tasks, Easy Calendar allows anyone to create new events with just a few taps!
Easy Calendar Features
'Do It Tomorrow' is a Windows desktop application which helps you to track, organize, reuse, export, print, and summarize your tasks.Discontinued
The website and the app are not available anymore