KashCal is described as 'A privacy-first calendar that works offline and looks beautiful. Connect to iCloud — or don't. Your schedule, your choice' and is a Calendar app in the office & productivity category. There are more than 50 alternatives to KashCal for a variety of platforms, including Android, Web-based, iPhone, Android Tablet and iPad apps. The best KashCal alternative is Tuta Mail, which is both free and Open Source. Other great apps like KashCal are Google Calendar, Proton Calendar, Fossify Calendar and Tuta Calendar.
Rainlendar is a feature rich calendar application that is easy to use and doesn't take much space on your desktop. The application is platform independent so you can run it on all major operating systems: Windows, Linux and Mac OS X.
Finland
EU
This app is tailored for families, couples, friends, and groups, providing end-to-end encryption for secure data, seamless calendar creation, syncing, private chats, and widgets for easy access, ensuring you never miss an event.
United Kingdom
Merkuro is a calendar and contact application that allows you to manage your tasks, events and contacts. Merkuro supports both local calendars as well as a multitude of online calendars: Nextcloud, Google® Calendar, Outlook®, Caldav, and many more.
GermanyEU
HEY Calendar is a digital scheduling tool designed with a unique approach to managing time and tasks. It offers a feature that allows users to rename days according to their significance, such as designating a day as 'Travel day', 'Anniversary', or 'No work...
United States
Calendar encryption: View calendars and stores them encrypted on your device or in the cloud.
Cron Calendar brings the power and design of Cron’s macOS and Windows app to your phone. Schedule meetings and control your time like never before. Cron deeply integrates with Google Calendar accounts so that all your events and resources are synced.
United States
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.
United States
Android calendar-app showing the weeks of the year (week numbers), 21 languages, syncable with Google Calendar:
GermanyEU
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...
India
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.
Sri Lanka
