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



There are many alternatives to Lightning Calendar for Linux if you are looking for a replacement. The best Linux alternative is Calendar Lock PEA, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Lightning Calendar and many of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Lightning Calendar are Morgen, Rainlendar, Merkuro Calendar and HEY Calendar.
Calendar encryption: View calendars and stores them encrypted on your device or in the cloud.



Brings together calendars, to-dos, productivity apps, and schedulers in one platform. Integrates with major services like Google Calendar, iCloud, Todoist, and video conferencing tools such as Zoom. Offers native scheduling similar to Calendly, enhancing time management efficiency.




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.



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.




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...




GNOME Calendar is a simple and beautiful calendar application designed to perfectly fit the GNOME desktop. By reusing the components which the GNOME desktop is build on, Calendar nicely integrates with the GNOME ecosystem.




It provides management of events and tasks, alarm notification, web export, network transparent handling of data, group scheduling, import and export of calendar files and more. It is able to work together with a wide variety of calendaring services, including NextCloud, Kolab...

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...



CalenGoo gives you a fast and easy way to access and change your Google Calendar (or Google Apps Calendar) with your Android device. It can either work with the built-in calendar or it can sync directly with Google.




Calindori is a touch-friendly calendar application. It has been designed for mobile Linux devices but it can also run on desktop environments. Users of Calindori are able to check previous and future dates and manage tasks and events.


Calcurse is a calendar and scheduling application for the command line. It helps keep track of events, appointments and everyday tasks. A configurable notification system reminds user of upcoming deadlines, the curses based interface can be customized to suit user needs and a...




Quickly see the time until your next meeting from any of your calendars. Click on the button to be taken to your calendar.
Not a calendar application, but an encryption tool!