32
Recomendations for Calender app
(feddit.uk)
All about open source! Feel free to ask questions, and share news, and interesting stuff!
Community icon from opensource.org, but we are not affiliated with them.
It really depends on where the calendar itself is hosted and what is responsible for syncing it. There's a bunch of different standards and protocols for syncing calendars and you have to filter apps by what they support.
But if its syncing to Ms365 and you need it to run on windows then Thunderbird is probably your only option. Otherwise there's stuff like KOrganizer or GNOME Calendar.