Rainlendar is not available for KDE Plasma but there are a few alternatives with similar functionality. The best KDE Plasma alternative is KOrganizer, which is both free and Open Source. If that doesn't work for you, our users have ranked more than 50 alternatives to Rainlendar, but unfortunately only two of them are available for KDE Plasma. If you can't find an alternative you can try to remove all filters.
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...
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.
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