Calendar encryption: View calendars and stores them encrypted on your device or in the cloud.



Calendarscope is described as 'Full-featured calendar software for planning, managing, and scheduling appointments, meetings, birthdays, vacations, special events. It allows you to view all your events in a daily, weekly, monthly, or yearly overview' and is a Calendar app in the office & productivity category. There are more than 100 alternatives to Calendarscope for a variety of platforms, including Web-based, Android, Windows, iPhone and Mac apps. The best Calendarscope alternative is Google Calendar. It's not free, so if you're looking for a free alternative, you could try Google Calendar or Proton Calendar. Other great apps like Calendarscope are Tuta Calendar, Etar, Thunderbird Appointment and Nextcloud Calendar.
Calendar encryption: View calendars and stores them encrypted on your device or in the cloud.



Web-based time-management tool featuring appointment scheduling, sharing, reminders, to-do list integration, iCalendar file import, collaborative options, multiple calendar creation, recurring events, and cross-device access for both personal and organizational use.

Me Calendar is a user-friendly calendar app equipped with widget support. Seamlessly integrate with Google Calendar, Microsoft 365, Outlook.com, iCloud, CalDAV, and WebCAL.




BORG is a combination calendar and task tracking system. The calendar supports all sorts of appointments and also a simple todo list. The calendar functionality is similar to that of other PIMs, such as Microsoft Outlook, Mozilla Calendar, Palm Desktop, Yahoo Calendar, etc...



Automatically sync calendars and contacts between Thunderbird, Outlook and Android devices, without using the cloud or servers.




Android calendar-app showing the weeks of the year (week numbers), 21 languages, syncable with Google Calendar:




Online appointment scheduler offering customizable booking pages, 24/7 self-booking, instant confirmations, automated reminders, calendar sync, multi-staff management, mobile access, real-time updates, and video meeting integrations for global appointments.




Undock is a scheduling platform that integrates with Gmail, Outlook 365, Superhuman, LinkedIn, and Twitter. It functions as a calendar assistant, allowing you to share times or your entire calendar. It also enables instant meeting scheduling without checking your calendar.



Zoho Calendar is an online calendar that helps you stay organised. Zoho Calendar makes scheduling events & appointments, sharing team calendar, booking resources easy & effortless. With over 15 million happy users, we are equipped to cater for different needs - Personal...




Take control of your schedule and get reminded wherever and however you want. Instantly access your appointments, tasks, and notes with a simple glance at a transparent calendar that sits right on your Windows desktop.



lightweight, client-only calendar web application. All data persists in the URL hash for instant sharing, No backend required. Optional AES-GCM password protection keeps shared links locked without a server.



